Why is there a more complete record of glaciations in the marine record than on land? Marine-deposited rocks are more likely to be coarse grained. There's actually a more complete record on land. Tidewater glaciers flow into the ocean and so affect the marine environment. There is less erosion in marine environments. Most continental glaciers originated in marine environments.
The reason why there is a more complete record of glaciations in the marine record than on land is because marine-deposited rocks are more likely to be coarse grained, which allows for better preservation of glacial features. In addition, tidewater glaciers flow into the ocean and thus affect the marine environment, leaving behind evidence of their existence. On land, there is less preservation of glacial features due to greater erosion and weathering. However, it should be noted that there is still a significant record of glaciations on land, particularly in areas where glaciers have left behind moraines and other distinctive features. It is also worth noting that many continental glaciers originated in marine environments, further highlighting the close relationship between glaciations and marine environments.
There have been five or six major ice ages in the history of Earth over the past 3 billion years. The Late Cenozoic Ice Age began 34 million years ago, its latest phase being the Quaternary glaciation, in progress since 2.58 million years ago.Within ice ages, there exist periods of more severe glacial conditions and more temperate conditions, referred to as glacial periods and interglacial periods, respectively. The Earth is currently in such an interglacial period of the Quaternary glaciation, with the last glacial period of the Quaternary having ended approximately 11,700 years ago. The current interglacial is known as the Holocene epoch. Based on climate proxies, paleoclimatologists study the different climate states originating from glaciation.
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Construct a visual grammar that will describe some process of your choice(some simple algorithm, workflow at a production facility, recipe, etc.).Which Gestalt laws can be used to interpret figures that make use of thegrammar?
To construct a visual grammar for a simple algorithm, let's take the example of a workflow in a coffee shop. We'll use various shapes and arrows to represent steps in the process, and then apply Gestalt laws to interpret the figures in this context.
To construct visual grammar, it is important to first choose a process that can be effectively communicated through a series of visual elements. For example, a simple algorithm can be represented through flowcharts, while a recipe can be presented through a series of steps with accompanying illustrations.
Once the process has been chosen, the next step is to identify the key elements and steps involved in the process and determine the best way to represent them visually. This may involve using symbols, diagrams, or other visual aids to clearly convey each step in the process.
To interpret figures that make use of visual grammar, it is important to understand the Gestalt laws of perception. These laws describe how our brains organize visual information into meaningful patterns and structures. Some of the key Gestalt laws that can be applied to interpret figures in a visual grammar include:
1. Figure-ground: This law refers to the way our brains differentiate between the main elements of a visual scene and the background. In visual grammar, this might involve using contrasting colors or shapes to make the key elements stand out from the background.
2. Similarity: This law describes how our brains group together elements that are similar in shape, color, or texture. In visual grammar, this might involve using consistent symbols or visual elements to represent similar steps or processes.
3. Closure: This law refers to our tendency to perceive incomplete visual elements as complete shapes. In visual grammar, this might involve using visual cues or arrows to show the flow of a process from one step to the next.
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what observations support the idea of a subsurface ocean on enceladus? Fountains of ice spray from surface vents. True or false?
True the observation of fountains of ice spray from surface vents on Enceladus supports the idea of a subsurface ocean.
The plumes suggest that there is liquid water under the icy surface and that it is being forced up through the vents. Additionally,the analysis of data from the Cassini spacecraft shows evidence of a global subsurface ocean on Enceladus,further supporting this idea.
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the near earth objecttoutais, seems to cross earth's path quite often. why is there never a collision with this asteroid
The reason why the near earth object toutatis, which is known for its irregular orbit, has never collided with Earth despite crossing its path quite often is due to the concept of "earth objecthoods."
Earth objecthoods refer to the set of rules that govern how objects in space interact with Earth's gravitational pull and other celestial bodies. While toutatis does cross Earth's path, its orbit is such that it never intersects with Earth's own orbit at the same time, meaning that there is no chance for a collision. Additionally, scientists closely monitor the asteroid's orbit and trajectory to ensure that it remains a safe distance from our planet. So, even though toutatis may come close to Earth, it is never in danger of colliding with earth objecthoods. The reason there is never a collision with the asteroid toutatis is due to its orbit and Earth's orbit being slightly inclined relative to each other. Although both Earth and Toutatis have objecthoods that cross each other's path, the timing and the position of the objects in their respective orbits usually do not coincide, resulting in a near miss rather than a collision. Additionally, gravitational interactions with other celestial bodies and the complex nature of orbital dynamics further reduce the likelihood of a direct collision.
In summary, even though the near-Earth object tottaris crosses Earth's path, a collision is prevented due to the relative inclination of the orbits and the timing of their positions in their respective orbits.
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every month in which the precipitation exceeds actual evapotranspiration, water moves through the soil to the water table.
Yes, that statement is generally true. When precipitation exceeds actual evapotranspiration, there is more water available to infiltrate into the soil. This excess water will move through the soil and eventually reach the water table, which is the underground layer where the soil and rock are saturated with water.
This is because the water table is the point where the pressure of the water in the soil is equal to the pressure of the atmosphere, so water naturally flows downward from the soil to the water table. Therefore, in months where there is more precipitation than evapotranspiration, we can expect to see more movement of water from the soil to the water table.
Every month in which the precipitation exceeds actual evapotranspiration, water moves through the soil to the water table. This process occurs as follows:
1. Precipitation, such as rain or snow, falls to the ground, adding moisture to the soil.
2. When precipitation exceeds actual evapotranspiration, it means that more water is being added to the soil than is being lost through evaporation and transpiration (plants releasing water into the atmosphere).
3. As a result of this excess moisture, water moves downward through the soil due to gravity and the process of infiltration.
4. This movement continues until the water reaches the water table, which is the upper boundary of the saturated zone in the ground where all soil pores are filled with water.
In summary, during months with higher precipitation than evapotranspiration, water moves through the soil and ultimately contributes to the water table. Hence the statement is true.
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Identify Examples Of Rock Deformation. Choose One Or More: A. Breaking B. Shortening C. Shearing OD. Bending
Rock deformation is an important geological process that helps us understand the history and evolution of the Earth's crust.
Rock deformation refers to the changes that occur in rocks due to various geological forces. Some examples of rock deformation include breaking, shortening, shearing, and bending.
Breaking or fracturing occurs when rocks are subjected to intense pressure or stress that exceeds their strength. This can result in the formation of cracks, joints, and faults in the rock.
when rocks are compressed from opposite directions, causing them to become shorter and thicker. This type of deformation can result in the formation of folds and wrinkles in the rock.
Shearing occurs when rocks are subjected to forces that cause them to slide past each other. This can result in the formation of faults and fractures in the rock.
Bending occurs when rocks are subjected to forces that cause them to bend or flex. This type of deformation can result in the formation of anticlines and synclines in the rock.
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Why do the sediments inside the harbor and outside the harbor have different sizes? The waves inside the harbor are (A) Text than the waves outside the harbor, because: Text Text The sediments on the beach inside the harbor are (A) than the sediments on the beach outside the harbor, because the waves in the harbor:
Overall, the size of the sediments is primarily influenced by the energy of the waves in the harbor and outside the harbor.
The sediments inside the harbor and outside the harbor have different sizes because of the difference in wave energy. The waves inside the harbor are typically smaller and less powerful than the waves outside the harbor, which leads to the deposition of finer sediments inside the harbor. This is because the smaller waves are not strong enough to move larger sediment particles, so they settle to the bottom. On the other hand, the larger waves outside the harbor have enough energy to move larger sediment particles, which results in the coarser sediments found on the beach outside the harbor. Overall, the size of the sediments is primarily influenced by the energy of the waves in the harbor and outside the harbor.
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In March 1958, fluorescent dye was injected into the northernmost of the Blue Sinks. It was detected 28 hours later in Sulphur Springs, on the Hilsborough River to the south (see sketch map). Use these data to calculate (show your work) the approximate velocity of flow in this portion of the Floridan Aquifer.
1. in feet per hour: ______
2. in miles per hour: ______
3. in meters per hour: ______
The approximate velocity of flow in this portion of the Floridan Aquifer is:
1. 5,657 feet per hour
2. 1.07 miles per hour
3. 1728 meters per hour.
To calculate the approximate velocity of flow in the portion of the Floridan Aquifer between the Blue Sinks and Sulphur Springs, we need to use the distance between the two points and the time it took for the dye to travel from the northernmost of the Blue Sinks to Sulphur Springs.
1. To calculate the velocity in feet per hour, we first need to convert the distance between the two points into feet. Using the sketch map provided, we can estimate the distance to be around 30 miles. Converting this to feet by multiplying it by 5280 (number of feet in a mile), we get 158,400 feet. Dividing this by the time it took for the dye to travel (28 hours), we get a velocity of approximately 5,657 feet per hour.
Velocity (in feet per hour) = Distance/Time
Distance = 30 miles x 5280 feet/mile = 158,400 feet
Time = 28 hours
Velocity = 158,400 feet/28 hours = 5,657 feet per hour
2. To calculate the velocity in miles per hour, we simply divide the velocity in feet per hour by the number of feet in a mile (5280).
Velocity (in miles per hour) = Velocity (in feet per hour) / 5280
Velocity (in miles per hour) = 5,657 feet per hour / 5280 = 1.07 miles per hour
3. To calculate the velocity in meters per hour, we need to convert the distance into meters (using a conversion factor of 0.3048 meters per foot) and the time into hours (using a conversion factor of 1/3600 hours per second). Then we can divide the distance in meters by the time in hours to get the velocity in meters per hour.
Velocity (in meters per hour) = (Distance x 0.3048) / (Time x 1/3600)
Distance = 30 miles x 5280 feet/mile x 0.3048 meters/foot = 48,280 meters
Time = 28 hours x 3600 seconds/hour = 100,800 seconds
Velocity = 48,280 meters / 100,800 seconds = 0.48 meters per second
Velocity (in meters per hour) = 0.48 meters per second x 3600 seconds/hour = 1728 meters per hour
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Identify the artists with the printing method for which they are best known by dragging each name to the appropriate category. Intaglio Relief Albrecht Dürer Rembrandt Elizabeth Catlett Lithography Screenprinting Utagawa Kunisada Edward Ruscha
Here are the artists and their associated printing methods: Intaglio: Albrecht Dürer, Rembrandt. Relief: Elizabeth Catlett
Lithography: Edward Ruscha, Screenprinting: Utagawa Kunisada.
Intaglio is a printing method in which the design is incised into a surface (usually a metal plate) and then ink is applied and wiped away, leaving the ink only in the incised lines. Albrecht Dürer and Rembrandt are both well-known for their use of this technique.
Relief printing is the opposite of intaglio - the design is raised on the surface and ink is applied to the raised areas before printing. Elizabeth Catlett is a prominent artist who is known for her use of relief printing.
Lithography is a planographic printing method in which a design is drawn onto a flat stone or metal plate, which is then chemically treated so that ink only adheres to the design. Edward Ruscha is a contemporary artist who often uses lithography in his work.
Screenprinting, also known as serigraphy, involves pushing ink through a stencil that has been attached to a mesh screen. Utagawa Kunisada is a Japanese artist who is known for his intricate and colourful screen prints.
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During the Pleistocene Ice Age, all the climate belts of the northern hemisphere shifted to the ____. O north O south O east O west
During the Pleistocene Ice Age, all the climate belts of the northern hemisphere shifted to the south. Option b is answer.
During the Pleistocene Ice Age, which occurred approximately 2.6 million to 11,700 years ago, the climate belts of the northern hemisphere shifted towards the south. This resulted in the expansion of glaciers and ice sheets, and caused changes in the distribution of plants and animals. The shift in climate belts was due to various factors, including changes in ocean currents, changes in the Earth's orbit, and variations in the intensity of solar radiation. These changes had significant impacts on the environment and the evolution of species during this period.
Option b is answer.
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Explain how proximity to Britain (or lack thereof) and economic activity of the region shaped the political development of each region
The proximity to Britain and the economic activity of a region played a significant role in shaping its political development. In regions that were closer to Britain, such as the 13 colonies in North America, there was a greater influence of British political and legal systems.
This resulted in the establishment of representative democracy and the adoption of British common law. The economic activity of the region, specifically the reliance on agriculture and trade, also played a significant role in shaping political development. For example, the reliance on slave labor in the southern colonies led to a distinct political culture and ultimately the Civil War.
In contrast, regions that were farther away from Britain, such as Australia and New Zealand, developed more independent political systems. This was due in part to the distance from British rule and the need to establish governance in remote regions. The economic activity of the region also played a role, with the focus on agriculture and resource extraction leading to a strong reliance on government intervention in the economy.
Overall, proximity to Britain and economic activity played a critical role in shaping the political development of different regions. These factors influenced the adoption of political systems, the development of political culture, and the role of government in the economy.
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what is one way that recent changes to the atmosphere have affected conditions for life on earth? a. an increase in carbon dioxide has caused the average global temperature to rise. b. an increase in carbon dioxide has caused the rate of skin cancer to rise. c. an increase in water vapor has caused the rate of skin cancer to rise. d. an increase in water vapor has caused the average global temperature to rise.
One way that recent changes to the atmosphere have affected conditions for life on earth is an increase in carbon dioxide, which has caused the average global temperature to rise.
Carbon dioxide is a greenhouse gas that traps heat in the atmosphere, preventing it from escaping into space. As human activities such as burning fossil fuels release more carbon dioxide into the atmosphere, the concentration of this gas has increased. This, in turn, has led to a gradual warming of the planet, known as global warming. This increase in temperature can have various impacts on life on earth, including changes in weather patterns, sea level rise, and habitat loss. It can also lead to more frequent and intense heat waves, wildfires, and other extreme weather events, which can threaten human health and safety. Therefore, the increase in carbon dioxide levels in the atmosphere is a significant concern for the planet and its inhabitants.
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6. If you were uncertain of the type of contact between the granite and the overlying fractured sandstone, which principle would allow you to determine it's nature? a. law of superposition. b. law of original continuity. C. law of original horizontality d. principle of inclusion e.faunal succession
The principle that would allow you to determine the nature of contact between the granite and the overlying fractured sandstone is the principle of inclusion.
So, the correct answer is D.
What's the principle of inclusion?This principle states that any rock fragments included in another rock layer must be older than the layer they are included in.
By examining the type and age of the inclusions in the overlying sandstone, you can determine the nature of the contact between the two rock types.
The other principles, such as the law of superposition, original continuity, original horizontality, and faunal succession, may provide additional information about the sequence and relative ages of the rocks, but they would not specifically help determine the nature of the contact between the granite and sandstone.
For this question the answer is D. principle of inclusion.
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Please make a Geographic Inquiry instructions down below.
We can see here that after choosing a topic related to the process of volcanic eruption, one can actually formulate questions in order to make the research.
Some questions like:
What causes the volcanic eruption?How long does the eruption last?What happens after each volcanic eruption?What is an investigation?We can see here that an investigation is a procedure used to acquire data or proof in order to provide a response to a query, address a problem, or reach a conclusion.
Numerous professions, including law enforcement, science, media, and business, all allow and carry out investigations.
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briefly explain one specific historical reason for the creation of the environmental protection agency.
It was established in response to growing worries about pollution and its detrimental consequences.
President Richard Nixon established the EPA, or Environmental Protection Agency, in December of 1970 as an official government department in the US in order to safeguard the health of people and the environment. The EPA, or Environmental Protection Agency, is a United States federal executive agency.
President Nixon proposed the founding of the EPA on the ninth of July 1970; it started operations on the second of December 1970, when Nixon approved an executive order. In 1986, the Indian parliament established the Environment Protection Act. The 253rd article of the founding document states.
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what is mulching cultivation
Answer:
mulching cultivation is the act of covering crops with hay somehow making sunlight from not reaching the plants
If a beach is wide, gently sloping with fine sands, we would expect to see:
a. very heavy wave action.
b. a beach facing into Arctic storms.
c. generally small waves winter and summer.
d. high-energy waves all year around.
The correct answer is option c: generally small waves in the winter and summer.
A wide, gently sloping beach with fine sand is typically associated with low-energy environments. In these areas, waves are typically smaller and less powerful compared to areas with high-energy wave action. Therefore, we would expect to see generally small waves in both winter and summer on this type of beach.
Generally, small waves are expected at a wide, gently sloping beach with fine sands during both winter and summer. This is because the gently sloping shoreline dissipates wave energy, resulting in smaller waves reaching the shore.
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the largest concentration of paleolithic cave paintings is found in: france. germany. tunisia. italy.
The largest concentration of Paleolithic cave paintings can be found in France. These paintings are known as the Lascaux caves, located in southwestern France, and are estimated to be over 17,000 years old.
The reason for the large concentration of Paleolithic cave paintings in France is due to its geology and climate. The limestone terrain of southwestern France created a perfect environment for the formation of caves, and many of these caves were used as shelters by Paleolithic humans. The region also had a relatively stable climate during the Paleolithic era, which allowed humans to settle in the area and create these intricate cave paintings.
The Paleolithic cave paintings in France not only provide insight into the artistic abilities of early humans but also give us a glimpse into their daily lives and culture. The paintings depict hunting scenes, animals, and even abstract symbols that may have had religious or spiritual significance.
These cave paintings are not only important to our understanding of human history but also serve as a reminder of the incredible artistic talents that existed even in our earliest ancestors.
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1.What is the nature of the boundary between the Redwall limestone and supai group
A paraconformity
b.A disconformity
c.A nonconformity
d.An angular unconformity
c. A nonconformity , A nonconformity is a type of unconformity, which is a break or gap in the rock record that represents a period of erosion or non-deposition.
In the context of geology, a nonconformity occurs when sedimentary rocks overlie crystalline or metamorphic rocks with an erosional surface in between.
In other words, it is a contact between younger sedimentary rocks (such as the Redwall limestone) and older rocks (such as the crystalline or metamorphic rocks of the Supai Group) that have been uplifted and exposed to erosion before the younger rocks were deposited on top.
A paraconformity is a type of unconformity where the contact between the two sets of rocks is parallel, indicating a period of non-deposition without significant erosion.
A disconformity is an unconformity where the contact between the two sets of rocks is horizontal, indicating a period of erosion and non-deposition.
An angular unconformity is an unconformity where the contact between the two sets of rocks is tilted or folded, indicating a period of deformation and erosion before the younger rocks were deposited.
Based on the given options, a nonconformity (option c) would be the most likely nature of the boundary between the Redwall limestone and Supai Group, as it would represent an erosional surface between younger sedimentary rocks and older crystalline or metamorphic rocks.
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What are potential mitigation measures for climate change impacts in a bay estuary like Back Bay(Irvine)?
Please help me with this question for Field Fresh Ecology class (150 words). Please be specific as much as you can. thank you so much!
education and outreach programs can help raise awareness and build support for climate change mitigation and adaptation measures, while also promoting individual and collective action to reduce carbon emissions and enhance the resilience of the ecosystem.
There are several potential mitigation measures for climate change impacts in Back Bay estuary, Irvine. One effective strategy is to restore and protect wetlands and other natural habitats, as they provide critical carbon sequestration and storage services. Additionally,improving water quality through reducing runoff and pollution can help enhance the resilience of the ecosystem to climate change impacts. Installing green infrastructure, such as bioswales and rain gardens, can help capture and treat stormwater runoff, while also providing habitat for native plants and wildlife. Another potential measure is to promote sustainable land use practices, such as reducing urban sprawl and promoting mixed-use development, which can reduce carbon emissions and decrease vulnerability to sea-level rise and flooding. Finally, education and outreach programs can help raise awareness and build support for climate change mitigation and adaptation measures, while also promoting individual and collective action to reduce carbon emissions and enhance the resilience of the ecosystem.
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The 1995 movement at La Conchita has been classified by the USGS as a complex slump. List the physical characteristics you see in the photo that support the interpretation that this is a slump. Please be specific such that if I couldn't see the photo I can tell you're describing a slump and not another type of downslope movement.
In summary, based on the concave-upward scar, rotational slump block, cohesive soil, and hummocky surface texture observed in the photo, we can confidently say that the 1995 movement at La Conchita was a complex slump.
Hi! Based on the description you provided, the 1995 movement at La Conchita can be classified as a complex slump due to the following physical characteristics:
1. Presence of a curved failure surface: This is a distinctive feature of slumps, where the movement occurs along a concave, spoon-shaped surface.
2. Head scarp: A distinct, steep slope is visible at the top of the failed area, indicating the initial point of downslope movement.
3. Rotated blocks: Large, displaced soil or rock masses appear to have rotated backward as they moved downslope, which is typical in slumps.
4. Toe or foot of the slump: A bulging, pushed-up area can be seen at the base of the slope, as the downslope movement pushes material up and outward.
These characteristics differentiate a slump from other types of downslope movements and support the classification by the USGS.
I'd be happy to help! Based on the characteristics observed in the photo, there are several reasons why the 1995 movement at La Conchita has been classified as a complex slump by the USGS.
Firstly, one physical characteristic of a slump is the presence of a concave-upward scar at the top of the headscarp. In the photo, we can see that the top of the slope appears to be curved inwards, which is consistent with this type of scar.
Secondly, slumps typically exhibit a backward rotation of the slip surface, which creates a distinctive crescent-shaped feature called a rotational slump block. This is visible in the photo as the large, tilted block of earth that has moved downslope.
Thirdly, slumps tend to be associated with cohesive, clay-rich soils that are prone to internal deformation and shear failure. The photo shows that the soil in the area is predominantly clayey, which supports the interpretation that this is a slump rather than another type of downslope movement.
Finally, slumps often have a distinctive hummocky surface texture that results from the differential movement of the soil mass. In the photo, we can see a series of irregular mounds and depressions that are consistent with this type of texture.
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is the general term applied to the combined action of all processes that cause rock to disintegrate physically and decompose chemically because of exposure near the earth’s surface
Weathering is the general term used to describe the combined processes of physical disintegration and chemical decomposition of rocks due to their exposure near the earth's surface.
These processes are a natural consequence of the effects of weather, which includes temperature fluctuations, moisture, wind, and other physical and chemical interactions between the rock and the surrounding environment. Weathering can be further categorized into mechanical or physical weathering, which involves the physical breakdown of rock without any chemical change, and chemical weathering, which involves the chemical breakdown and decomposition of rock due to exposure to atmospheric gases and water.
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ce Goog was 1.3.1 Name the ocean currents on the (a) East coast of South Africa (b) West coast of South Africa Name the oceans along the coast of Amanzimtoti and Hondeklip Bay Differentiate between maritime climate and continental climate. Calculate the temperature range (difference in temper between Hondeklip Bay and Amanzimtoti Give FOUR reasons why the temperature in Amanzi is higher than that of Hondeklip Bay although they a located on the same latitudinal position. 1.3.2 1.3.3 1.3.4 1.3.5
(a) The Agulhas Current is the ocean current on the East coast of South Africa.
(b) The Benguela Current is the ocean current on the West coast of South Africa.
What is the explanation for the above response?
(a) The Agulhas Current is the ocean current on the East coast of South Africa.
(b) The Benguela Current is the ocean current on the West coast of South Africa.
The ocean along the coast of Amanzimtoti is the Indian Ocean, while the ocean along the coast of Hondeklip Bay is the Atlantic Ocean.
Maritime climate is a climate influenced by the ocean and characterized by mild temperatures, high humidity, and abundant precipitation, while continental climate is a climate characterized by hot summers and cold winters, with low precipitation and humidity.
The temperature range between Hondeklip Bay and Amanzimtoti is calculated as follows:
Hondeklip Bay has an average annual temperature of 17°C.Amanzimtoti has an average annual temperature of 21°C.Therefore, the temperature range is 21°C - 17°C = 4°C.
Four reasons why the temperature in Amanzimtoti is higher than that of Hondeklip Bay although they are located on the same latitudinal position are:
Amanzimtoti is closer to the equator than Hondeklip Bay, which means it receives more direct sunlight and experiences higher temperatures.Amanzimtoti is located on the east coast, where the Agulhas Current brings warm water from the Indian Ocean, while Hondeklip Bay is located on the west coast, where the Benguela Current brings cold water from the Atlantic Ocean.Amanzimtoti has a more humid climate due to its proximity to the ocean, which can contribute to higher temperatures, while Hondeklip Bay has a drier climate due to its location in the rain shadow of the Namaqualand Desert.Amanzimtoti is at a lower elevation than Hondeklip Bay, which can also contribute to higher temperatures.Learn more about The Agulhas Current at:
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13 Question (1 point) e See page 316 1st attempt See Hint Identify North America's geologic provinces by dragging the labels to the indicated regions. A) Shield Western Platform Eastern Platform G=colarado p plateu Appalachians Coastal Plain Phanerozoic orogenic belts Ouachitas
North America is divided into several geologic provinces, which are regions with distinct geological characteristics. These provinces are identified based on their unique features, such as rock types, geological structures, and tectonic history.
Here are the geologic provinces of North America and their locations:
Shield: This province is located in eastern Canada and the northern United States. It is characterized by ancient rocks that are over 2.5 billion years old and are exposed in the Canadian Shield.Western Platform: This province is located on the western side of North America, covering the western United States and parts of western Canada. It is a large, stable region with sedimentary rocks that were deposited on a shallow marine platform.Eastern Platform: This province is located in the eastern United States, covering the Appalachian Mountains and the adjacent areas. It is a region of relatively flat-lying sedimentary rocks that were deposited on a shallow marine platform.Colorado Plateau: This province is located in the southwestern United States, covering parts of Arizona, Colorado, New Mexico, and Utah. It is a large, high-elevation region characterized by horizontal sedimentary rocks that were uplifted and tilted during the formation of the Rocky Mountains.Appalachians: This province is located in the eastern United States, running from Alabama to Newfoundland. It is a mountainous region that was formed by a series of tectonic collisions and uplifts over the last 300 million years.Coastal Plain: This province is located on the eastern and southeastern coasts of the United States. It is a low-lying region of flat-lying sedimentary rocks that were deposited on a shallow marine platform.Phanerozoic orogenic belts: These provinces are located in various parts of North America and represent regions where tectonic activity has produced mountains and other geological features. Examples include the Sierra Nevada Mountains, the Rocky Mountains, and the Canadian Cordillera.Ouachitas: This province is located in Arkansas and Oklahoma and represents a region where ancient continental collisions produced folded and faulted rocks.In summary, North America's geologic provinces are diverse and reflect the complex tectonic history of the continent. Understanding these provinces is critical for geologists and other scientists who study the Earth's structure and history.
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________ is a biochemical sedimentary rock that often forms in carbonate reefs.
A) Coquina
B) Chert
C) Rock Salt
D) Bituminous Coal
Answer:
B) Chert
Explanation:
The single most influential agent changing the shore and coast is:
a. wave action.
b. the tidal range.
c. alternate freezing and thawing of coastal cliffs.
d. prevailing winds.
The single most influential agent changing the shore and coast is wave action.
Wave action is the primary force responsible for shaping the coastline. Waves erode the coast through a process of hydraulic action, abrasion, and attrition. These processes result in the formation of features such as cliffs, wave-cut platforms, caves, arches, and stacks. The intensity of wave action is determined by factors such as wave energy, fetch, and the shape of the coastline.
The impact of wave action can be intensified by storms, which can cause significant damage to the coastline through erosion and flooding. Human activities such as beach nourishment and construction of coastal structures can also affect wave action and alter the natural processes of coastal erosion and sedimentation.
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Question Completion Status: QUESTION 22 1 Frost wedging is the major weathering process contributing to the formation of which regolith material? O A. clay minerals O B. talus slopes OC. soil horizons OD. tropical soils 1 point QUESTION 23 What two factors speed up rates of chemical reaction and weathering in rocks and soils? A warm temperatures; very moist B. low temperatures: very moist C. high temperatures: very dry D low temperatures: very dry Sound Smitto due and submit Chok Salt to save E arch
22)Frost wedging is the major weathering process contributing to the formation of talus slopes.
23)High temperatures and very moist conditions can speed up rates of chemical reaction and weathering in rocks and soils.
22)Frost wedging is a type of physical weathering caused by the repeated freeze-thaw cycles of water in cracks and crevices of rocks. As water freezes, it expands and puts pressure on the surrounding rock, causing it to crack and break apart. Over time, this process can contribute to the formation of talus slopes, which are piles of broken rock fragments at the base of a steep slope or cliff.
23)Chemical weathering is a process that involves the breakdown of rocks through chemical reactions. These reactions can be sped up by factors such as high temperatures and very moist conditions, which can increase the rate of chemical reactions. Moisture can also facilitate the movement of ions and other chemical compounds within rocks, making them more susceptible to chemical weathering. On the other hand, low temperatures and very dry conditions can slow down rates of chemical reaction and weathering in rocks and soils.
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the ________ from month to month in minnesota explains why august is a hotter month on average than july, even though we receive less direct sunlight in august.
The variability in temperature or the temperature range from month to month in Minnesota explains why August is a hotter month on average than July, even though we receive less direct sunlight in August.
The increased moisture content in August traps more heat near the surface, resulting in higher temperatures compared to July. Additionally, the increased humidity can make it feel even hotter than the actual temperature.
Variability in temperature or temperature range refers to the degree of fluctuation or variation in temperature over a given period of time. For example, if the temperature in a location varies widely between hot and cold temperatures throughout the year, then it has a high variability in temperature or temperature range.
On the other hand, if the temperature in a location stays relatively consistent throughout the year, then it has a low variability in temperature or temperature range. Variability in temperature can be affected by factors such as geographic location, elevation, weather patterns, and other environmental factors.
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what were the richter magnitudes of the 1868 hayward earthquake and the 1906 san francisco earthquakes? in each case, give your answer as a seismic magnitude. don’t forget to cite your sources.
The 1868 Hayward earthquake had a Richter magnitude of 6.8, and the 1906 San Francisco earthquake had a Richter magnitude of 7.8.
These magnitudes were determined using modern seismological techniques to estimate the energy released by earthquakes.
These magnitudes are based on historical records and modern seismological analyses of earthquakes. The Richter magnitude scale was not developed until 1935, so these values are retroactively assigned based on available data and observations.
Source:
USGS. (n.d.). Historic Earthquakes. Retrieved from https://earthquake.usgs.gov/earthquakes/browse/historic- earthquakes/
An earthquake is a sudden and rapid shaking of the Earth's surface caused by the movement of tectonic plates or volcanic activity. Earthquakes can vary in size and intensity, from small tremors that are barely felt to large events that can cause extensive damage to buildings, infrastructure, and communities.
The strength of an earthquake is measured on the Richter scale, which assigns a numerical value based on the amplitude of the seismic waves detected by seismographs. Earthquakes can also trigger other natural disasters, such as landslides, tsunamis, and volcanic eruptions.
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what is the nature of the boundary between the redwall limestfigue 1.7one and the supai group? group of answer choices a. an angular unconformity b. a nonconformity c. a disconformity
d. a paraconformity
(B). The boundary between the Redwall Limestone and the Supai Group is a nonconformity.
The boundary between the Redwall Limestone and the Supai Group in the Grand Canyon is an example of a disconformity. A disconformity is a type of unconformity where there is a gap in the rock record between two parallel layers of sedimentary rocks. In this case, the Redwall Limestone was deposited during the Mississippian Period, while the Supai Group was deposited during the Permian Period. The disconformity represents a period of erosion and non-deposition that occurred between the two periods. This means that there is a gap in the rock record where rocks were eroded away, leaving an unconformity.
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