Describe in detail what causes seafloor spreading. Use as many key terms as possible.
(Key terms: plate tectonics, plate boundaries, convergent boundary, transform boundary, divergent boundary, convection, mantle, magma, oceanic crust, continental crust, density, inner core, outer core.)
Answer:
Seafloor spreading results from intense activity in the upper mantle which cracks the crust and pushes it away.
Explanation:
Seafloor spreading is a process that was first noticed by Alfred Wegener and was used by him in his theory of plate tectonics. There are three types of plate boundaries; convergent boundary, transform boundary, and divergent boundary. The last one is the one where seafloor spreading occurs.
The convection currents in the mantle are the process that breaks up the crust and move the tectonic plates, and when there is higher activity than usual at some place it results in break up the crust of an already existing tectonic plate. Basically, magma rises at a higher rate and pushes through the crust, in this case, the oceanic crust, and it manages to gradually break through it and come out on the seafloor. By doing so, the magma and the pressure from below are pushing the two now divided parts of the plate. As the space between the two different parts becomes larger and large the density of the crust becomes smaller and smaller so more and more magma rises through. The magma quickly solidifies on the ocean floor and piles up, thus creating an underwater mountain range known as a mid-ocean ridge.
who mapped australias great barrier reef?
Answer:
Captain James Cook
Explanation:
European exploration of the reef began in 1770, when the British explorer Captain James Cook ran his ship aground on it. The work of charting channels and passages through the maze of reefs, begun by Cook, continued during the 19th century.
True or False? Please tell. This is kinda hard 4 me.
Answer: False :)
Explanation:
Negative impact of overhunting & over fishing?
Overhunting and overfishing can cause animal populations to grow endangered or become extinct.
Answer:
The negative impact on overhunting and overfishing is the disrupt in the food chain. There is a disrupt in the food chain because other species like humans or bears consume these animals for nutrients.
Which type of plate boundaries generate the most volcanoes? Why?
Answer:
constructive plate boundaries cause volcanoes.
Explanation:
A farmer who has grown corn for the past five years notices in the sixth year that his harvest is significantly smaller, despite an increase in labor on the farm. The following year, the harvest continues its decline. Which of the following explanations most plausibly accounts for the reduction in corn yield? A. soil degradation B. desalinization C. better irrigation D. terracing Reset Next
Answer:
A.
Explanation:
Growing a different crop (crop rotation) will prevent the soil from degrading, which is what happened to the farmer.
Can someone please answer these !!
1. How many plant and animal species exist in the Amazon Rain forest?
2. How much (percentage wise) of the worlds oxygen is created by the Amazon Rain Forest?
* I need them in your own words , please not from google or any websites*
* if u do not know please do not answer*
Thank you -
Answer:
from what I've read up on at least 40,000 I'm really sorry if I'm wrong I'm
Explanation:
tbh I'm look at the same type of problems
Analyze the graphs below and answer the question that follows.
Which of the above graphs accurately represents the continents refugees to the United States came from?
A.
One (1)
B.
Two (2)
C.
Three (3)
D.
Four (4)
Please select the best answer from the choices provided.
A
B
C
D
Answer:
D
Explanation:
TRUSTT MEEE have a good day :)
Answer:
D
Explanation:
Que
Which option describes how heat and the mobement of Earth's tectonic plates contribute to the formation of an ocean basin?
Heat from the mantle conducts through tectonic plates causing them to melt to form ocean basins.
Heat from the mantle forms convection currents causing the plates to transform and form the ocean basins.
Heat from the mantle forms convection currents causing the tectonic plates to diverge and form ocean basins.
Heat from the mantle conducts through the tectonic plates causing the plates to converge and form ocean basins.
Answer:
Heat from the mantle forms convection currents causing the tectonic plates to diverge and form ocean basins.
Explanation:
Ocean basins form as a result of convection in the mantle along divergent margins.
At a divergent margin, new crusts are being formed. It is said to be a constructive margin because new materials reaches through to the earth surface from there. The mantle convection pushes materials up and down away from heating centers and to cold regions and back and forth. This leads to the creation of cells which moves the overlying plate. The mantle materials are then able to reach the surface to form new ocean basin.Help plssssssssssss I’m stuck
Answer:
I believe its B
Explanation:
The most common form of electromagnetic energy is visible what
Answer:
visible light
Explanation:
everything you can see
Please help meeee !!!! Thank you
Answer:
4
Explanation:
According to the map above, which shows religious-cultural regions, what two religions are most commonly practiced in Africa?
A. Christianity and Buddhism
B. Buddhism and Hinduism
C. Islam and Christianity
D. Hinduism and Islam
Answer:
D. Hinduism and Islam
Explanation:
discuss the importance of sustainable development in a developing country
Answer: A sustainable development will continue to grow and help the country continue to grow and develop over the years
Explanation:
Which of the following is not a common map element? a. Key b. Distance scale c. Contour lines D. Directional indicator
Answer:
D. Directional indicators
Explanation:
Maps usually have all of these elements. But they don't have directional indicators. Directional indicators are usually for digital maps. If a traditional map has directional indicators it is only which landmarks point North, South, East, or West.
I hope this helps :)
Where is the Northeast Plain located?
A.
China
B.
Japan
C.
Korea
D.
Mongolia
Answer:
A... ChinaExplanation:
Answer:
a took the test
Explanation:
vote for popular song:
Dynamite or Savage Love
light it up like. dynamite
Explanation:
savage love aka Jason deurolo was a clout chaser .... anyways stream blueberry eyes instead ... borahae
Answer:
savage love all the way!!!!!!
Explanation:
What is the main incentive for using a command economy?
Answer:
Economic equality
Explanation:
What are Angles, Lines, and Transversals?
a transversal is a line that intersects two or more lines. When two or more lines are cut by a transversal, the angles which occupy the same relative position are called corresponding angles
(hope this helps)
Which waterway is the largest in the world?
Answer:
The Nile River
Explanation:
Hope this helps
Which of these descriptions best describes el nino
Answer:
what descriptions?
Answer:
There are no descriptions.
Explanation:
what is a society with different cultural groups that have unique identities within the cultures called?
Answer:
A melting pot
Explanation:
Answer:
Do you mean cultural diversity
Or Cultural identity?
Explanation:Cultural identity is like religion or ethnicity. In the United States we have so many cultural diversities But it is called the melting pot which means many cultures came together in one place and they coexist to which refers to cultural diversity.
What is the capital of Punjab
Answer:
Chandigarh!
Explanation:
what king of plate boundaries create volcanes???
Answer:
Convergent and Divergent most commonly
Explanation:
Convergent boundaries create sub duction zone where pressure and heat can escape. Divergent boundaries spread apart from one another, this creates space for heat and pressure to escape.
there are greater opportunities for trade in the__than in the__.
A. steppes; major rivers
B. pacific rim; steppes
C. major rivers; pacific rim
D. himalayas: pacific rim
Answer:
There are greater opportunities for trade in the pacific rim than in the steppes.
Explanation:
Trade is something that has been used by humankind for thousands of years. The reason is simple - it is the basis of any economic type, be it primitive, command, market, etc... Basically, through trade, the individuals, groups, countries, regions, get the goods they need in exchange for the goods they have to offer and are needed on the other side.
Not all places on Earth provide the same opportunities for trade though, and in most cases the reason for it is geography. The Pacific Rim, for example, is a huge region and there are countries on all levels of development. It is a region where infrastructure doesn't have much influence because trade goes through water, and even though it is a huge distance in question from one side to another, trade is very easy. On the other hand, we have the steppes. These areas are sparsely populated, are usually low on resources, the climate is harsh, which in turn makes the countries dominated by them are less developed, and that in turn means infrastructure in bad condition or fully lacking in most of the territory. Such conditions result in bad conditions for trade as the opportunities are much lower than in other regions.
most of the natural vegetation has been cleared for grazing what was the natural vegetation
Answer: Natural vegetation refers to a plant community, which has grown naturally without human aid and has been left undisturbed by humans for a long time.
Explanation:
Answer:
Explanation:
forest, grassland, scrubs etc.
Give an example of how mammals were able to differentiate in the Cenozoic Era.
Answer:
During the Cenozoic Era, Australia separated, and marsupials evolved. ... For most of the Mesozoic Era, gymnosperms were the dominant plant form. Angiosperms began to appear during the Cretaceous Period.
Explanation:
During the Cenozoic Era, Australia isolated, and marsupials advanced. For the majority of the Mesozoic Era, gymnosperms were the prevailing plant structure.
What is Cenozoic Era?The Cenozoic is Earth's ongoing land era, addressing the last 66 million years of Earth's set of experiences.
It is described by the strength of warm blooded creatures, birds and blossoming plants, a cooling and drying environment, and the ongoing design of mainland.
It is the most recent of three land eras since complex life advanced, went before by the Mesozoic and Paleozoic. It began with the Cretaceous-Paleogene eradication occasion, when numerous species, including the non-avian dinosaurs, became wiped out in an occasion credited by most specialists to the effect of an enormous space rock or other divine body.
The Cenozoic is otherwise called the Time of Well evolved creatures on the grounds that the earthbound creatures that overwhelmed the two halves of the globe were warm blooded animals.
Therefore Current placental warm blooded animals started during this time.
Learn more about Cenozoic era here:
brainly.com/question/1367601
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Which characteristic best supports its formation from sedimentary processes? It has many layers. It is coarse-grained. Its grain shape is round. Its texture is non-banded.
Answer:
C
Explanation:
Answer:
A, it has many layers
Explanation:
Cause cool yeah \(◕ヮ◕)/
which type of soil is required for growing cotton
Answer:
sandy loam soils
Explanation:
why could it be a disaster for an ecosystem if deers eats lions
it's a disaster
Explanation:
because lions keep the deer population under control and if there are slot of deers then the deeper population would be over crowded and since there are many deers they would have to eat more so most of the grass would be gone and other animals wouldn't have a chance to eat
Answer:
Becasue without lions, the herbivores(plant eaters) will overpopulate. Lions reputation of being the 'chief' predator of their habitat as they are known to even kill/eat herbivores such as elephants and giraffes, which are herbivores. The herbivores will eat a lot of the plants and soon there will be no more plants for the herbivores now because the deer ate the lions. The lions subdue that bye eating deer. That is why deer eating lions would be bad for the ecosystem. If you like my answer please give brainliest. If not, then oh well.
Explanation: