The Townsville blood bank is desperately in need of blood donors. Which student would MOST likely contribute to the blood bank if asked
The person who is healthy and having O blood may contribute to the blood bank if asked.
What is universal blood group?Because type O is the most prevalent blood type and type O negative blood is the universal blood type needed for emergency transfusions and immune weak babies, type O is frequently in low supply and in great demand by hospitals.
Blood transfusions are given to a wide range of patients. Donated blood's varied components are utilized to cure a variety of ailments. Red blood cells, for example, are transfused to patients who have lost blood as a result of trauma or surgery, as well as to treat anemia (including sickle cell anemia). Platelet transfusions are required for cancer patients to replace healthy cells that have been damaged by chemotherapy and radiation. To treat shock in burn victims, plasma transfusions are frequently required.
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Classify these hypotheses about the ocean as falsifiable or non-falsifiable.
limestone erodes faster than
basalt when exposed to
ocean salt water
the rugged panama coastline
offers a wonderful experience
for fishing enthusiasts.
shallower tide pools support
more algae growth
warm ocean water is
more enjoyable to swim
in than cool ocean water.
falsifiable
non-falsifiable
Falsifiable: Panama coastline offers a wonderful experience; warm water is more enjoyable to swim.
Non-falsifiable: limestone erodes faster than basalt; shallower tide pools support algae growth.
What is non-falsifiability?Confidently declaring that a thesis or hypothesis is true or false even though the idea or hypothesis cannot perhaps be opposed by observance or the outcome of any physical experiment, is generally proof without strong or good reasoning.
Thus, this could be the answer.
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Place the steps of the respiration process in the correct order.
Air passes from the trachea to the bronchi.
Oxygen enters the blood cells.
Air enters the nostrils.
Air diffuses from the alveoli to the blood cells.
Blood transports oxygen to other cells.
1. Air enters the nostrils.
2. Air passes from the trachea to the bronchi
3. Air diffuses from the alveoli to the blood cells.
4. Oxygen enters the blood cells.
5. Blood transports oxygen to other cells.
ASAP!
Active transport differs from Passive transport in that:
A. Only Active transport uses membrane proteins.
B. Only Passive transport uses membrane proteins.
C. Active transport requires energy.
D. Passive transport requires energy.
Answer:
C
Explanation:
Active transport requires energy, while passive energy does not.
a food worker needs to thaw a package of ground beef
Answer:
Under cold water
Explanation:
This is how me and my family thaw beef
The practice of leaving crop residue on the field between plantings to help prevent soil erosion is known as
The practice of leaving crop residues on the field in between planting seasons is known as conservation tillage.
Conservation tillageSome soils are prone to erosion once they are directly exposed to the impact of precipitation.
After harvesting crops from a field, the crop residues are left on the field to prevent the direct impact of precipitation in cause erosion. The crop residue, in addition, adds to the organic matter of the soil after their decomposition.
Such a practice is known as conservation tillage.
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What climatic conditions are required to trigger an amphibian migration?.
The prefix "deka" is used to designate which power of ten?
21
9
6
1
2.
Which is the main function of carbohydrates in the body?
to provide energy
to make hormones
to make nucleic acids
to provide lipids for nutrition
Answer:
it provides energy to the body.
What conclusions can be drawn about the greater
number of sunflower sprouts compared to the number of
birch tree sprouts in both the experimental and control
groups?
(please answer with sample response ) please answer accordingly!!!!
12 points
The number of sunflower sprouts will be higher than birch tree sprouts because sunflower sprouts have a higher growth rate than birch tree sprouts.
What is the growth rate?Growth rate refers to the ratio of development of a given population and/or biological structure.
The growth rate may result very useful in ecology studies as above mentioned (ecological succession).
In conclusion, the number of sunflower sprouts will be higher than birch tree sprouts because sunflower sprouts have a higher growth rate than birch tree sprouts.
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Answer: The number of sunflower sprouts is greater than the number of birch tree sprouts in both groups because sunflowers have a faster growth rate than birch trees.
Explanation:
What is a feedback mechanism?
What is a feedback mechanism?
A feedback mechanism is a physiological regulation system in a living body that works to return the body to its normal internal state, or commonly known as homeostasis. In nature, feedback mechanisms can be found in a variety of environments and animal types. Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop. The system can then be said to feed back into itself.
Examples:
Menstrual cycle. At the beginning of the menstrual cycle, the ovaries release the hormone estrogen. The estrogen acts as a stimulus for the positive feedback loop. ...Childbirth. Figure: Normal childbirth is driven by a positive feedback loop.
Item 6 Over a 10-year period, a nation of 100 million people has a birth rate of 15 million, but a death rate of 5 million and a net migration rate of 2 million. What is happening to the population? decreasing in size growing in size decreasing first and then growing staying the same over time
Decreasing first and then growing happening to the population because at every year 10.20 percent population is growing.
How can you figure out a population's growth rate when there are births and deaths?The net reproduction rate (r) is computed as follows: r = (births-deaths)/population size, or simply multiply by 100 to get in percentage terms. Because the population has grown so much, many more people have been added. When a population grows at a steady rate year after year, this is referred to as exponential growth.
Migration is the the number of immigrants minus the number of emigrants over a given time period, divided by the number of person-years lived by the receiving country's population during that time period. It is calculated as the number of net migrants per 1,000 people.
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Task 1
Traveling Merchant Diaries
In this unit, you studied civilizations in Africa and Asia that existed during the medieval period. These civilizations included the great trading empires of West Africa and the Islamic civilizations of India and Southeast Asia. This unit also covered the spread of the Mongol Empire under Genghis Khan and his descendants.
Part A
Imagine that you are a merchant from Europe who has traveled to China on the Silk Road during the time of Mongol rule. Think about the kinds of items that you might be selling. Also, think about the places you might have visited. In addition, consider the cultural characteristics such as language and religion that you have come into contact with. Refer back to the lessons in the unit and do some research on the Internet as support for this activity. Then, write a short diary entry of about 75 to 100 words from the perspective of the merchant. Make sure you include information about the items traded, places visited, and cultural characteristics.
To write a diary about a journey through the Silk Road, we must take into account all the aspects that we experience daily on this journey.
How to write a diary?A diary is a written resource that was used in ancient times to make a daily written record of a trip, crossing or territorial discovery.
In general, diary are primary information resources that allow us to know very precisely how past events unfolded.
To write a diary about a journey through the Silk Road, several aspects must be taken into account, such as the different cultures with which the merchants had to interact.
Additionally, we must take important aspects into account such as the location and the date on which we write that diary, for example:
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What is the first step when performing the pool edge technique for rapid extrication as the primary in water rescuer completes in water rescue breathing
Victim can be accomplished with as few as two lifeguards is fiest step when performing the pool edge technique for rapid extrication as the primary in water rescuer completes in water rescue breathing
How to remove a victim from the pool?To remove a victim, the primary guard who performed the rescue pushes the victim to the side and transfers the victim to a waiting guard on deck.
The person is forced to face the pool's side while their head is protected and their face is kept out of the water (and their airway open if they are unconscious). The main guard exits the pool, grabs the backboard, and lowers it straight into the water.
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Investigate substances containing carbon or oxygen that relate to biological processes. explain their main function in those processes.
(platform is edmentum) must be in own words
Carbon and oxygen are essential substances for life on earth through the process of photosynthesis.
How to explain photosynthesis?Photosynthesis is a process carried out by photosynthetic autotrophic organisms such as plants, algae and some prokaryotes. They capture sunlight, transform it into chemical energy and produce organic compounds from water and carbon dioxide.
It can be summarized as the process of transforming light energy into chemical energy. The term photosynthesis means synthesis by light.
In addition to photosynthesis, they have other cycles that carbon and oxygen are part of, such as combustion and respiration.
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Photosynthesis is the biological process containing carbon or oxygen.
What is photosynthesis?Photosynthesis is the method in which green plants utilise sunlight to create their own food.
Photosynthesis is essential for life on Earth. Without it there would be no green plants, and without green plants, there would be no creatures Interactive. Photosynthesis needs sunlight, chlorophyll, water, and carbon dioxide gas.
Thus, Photosynthesis is the answer.
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*WILL GIVE BRAINLIEST* While nutrients cycle through environments, energy flows through an environment in one direction. This flow of energy is often shown with an energy pyramid, such as the one below. -- Which of the following correctly states the percentage of energy lost between each trophic level on the energy pyramid and what that energy is lost as?
Answer:
I think it is the secondary consumers which the energy goes back to the soil
The four bases of DNA are Adenine, Guanine, Cytosine and Thymine. How many kinds of rungs are there on a DNA ladder?
Four
Six
Two
Eight
Four
The rungs of the DNA ladder made of four types of nitrogenous bases. These are Adenine (A), Guanine (G), Cytosine (C) and Thymine (T).
WILL MARK BRAINLIST!!
plase and help my plese . ammm
Organisms with soft bodies decay long before they can be fossilized.
FossilizationFossils are formed from the remains of plants or animals.
The soft parts of organisms decay or decompose while the hard parts have the tendency to fossilized.
The soft parts of organisms are acted upon by microbes. They extracellularly digest the materials and absorb the digested materials as their own food.
The remaining materials either become soil organic matter or become fossilized and preserved in the soil.
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What are the three main phases of the cell cycle?
Answer: The cell cycle is composed of 3 main stages - interphase, mitosis and cytokinesis.
Explanation:
Kai cuts his hand while making dinner. A couple of days later, his hand is swollen and infected. Which body system most likely failed?
Grupo de elecciones de respuesta
Respiratory
Immune
Digestive
Excretory
Answer:
Immune
Explanation:
The immune system is the one that is supposed to not let the bacteria get in. Pls, Mark me the brainiest.
PLEASE HURRRY! When you observed the BEAN plant with a hand lens, what did you note about root nodules?
Question 7 options:
I did not see any nodules present.
There was one large, red nodule present.
There were less than 6 nodules.
There were more than 6 nodules.
When the BEAN plant is observed with a hand lens, it was observed that there were more than 6 root nodules; option D.
What are root nodules?Root nodules are nodules found on the root leguminous plant wherein nitrogen-fixing bacteria live which help in fixing atmospheric into the soil.
A hand lens is a magnifying lens which is used to view and enlarge the size of small objects.
A bean plant is a leguminous plant.
Using a hand lens to observe a bean plant will show the presence of root nodules.
Therefore, when the BEAN plant is observed with a hand lens, it was observed that there were more than 6 root nodules; option D.
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Which of the following statements best describes a mechanism similar to how liposomes work?
a) water molecules passing through an aquaporin
b) a carrier protein changing its shape to transport a molecule
c) cell membrane forming a vesicle to take in a protein from outside the cell
d) a proton pump transporting hydrogen ions against their electrical gradient
The following statements best describes a mechanism similar to how liposomes work is a) water molecules passing through an aquaporin.
What are the mechanism of aquaporins ?The number one characteristic of maximum aquaporins is to move water throughout cell membranes in reaction to osmotic gradients created via way of means of lively solute transport. A liposome includes a area of aqueous internal a hydrophobic membrane.
The motion of water thru the aquaporins is pushed via way of means of osmotic gradients. For example, crimson cells dropped into seawater will reduce due to the fact water leaves the cells; crimson cells dropped into sparkling water will swell and explode for the reason that water enters the cells.
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Science I need to know the answer
Based on the hypothesis (Big Bang theory) that the universe is expanding, an analysis of light wave would indicate: A. a decrease in frequency and a red shift.
What is a redshift?A redshift can be defined as a displacement (shift) of the spectral lines of an astronomical (celestial) object toward longer wavelengths and a corresponding decrease in frequency, as a result of the Doppler effect.
Basically, a redshift occur when observing an astronomical (celestial) object from planet Earth because it's receding (moving away) from planet Earth.
In conclusion, we can infer and logically deduce that an analysis of light wave would indicate a decrease in frequency and a red shift based on the hypothesis (Big Bang theory) that the universe is expanding.
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Which structure in the diagram below is a muscle that contracts during inhalation?
The diaphragm in the diagram below is a muscle that contracts during inhalation. thus option A is correct option.
What is the role of the diaphragm?The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily.
Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.
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Which of the following is not a problem in a small population?
Inbreeding
Preditation
Disease
Birth Rates
Answer:
in all honesty, they are all a problem. I would say the least likely not to be a problem is predation.
Explanation:
Smaller numbers mean you have fewer opportunities and choices to reproduce, hence inbreeding and birth rates (if the birth rates were low). any disease could then wipe out the population due to a lack of genetic diversity. So I would say preditation is your best bet
The Arctic Ocean is considered part of
the
A. atmosphere.
B. troposphere.
C. lithosphere.
D. hydrosphere.
Answer:
i think A: atmosphere is the ans
The Arctic Ocean can be considered a fundamental part or player of the hydrosphere (Option D).
What is the hydrosphere?Hydrosphere refers to all water bodies present on the Earth, including oceans such as the Arctic Ocean.
This part of Earth (hydrosphere) plays a fundamental role in the homeostasis or state of equilibrium of the ecosystems.
In conclusion, the Arctic Ocean can be considered a fundamental part or player of the hydrosphere (Option D).
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Genetic drift causes random changes in allele
frequencies.
What type of genetic drift occurs from adaptive
radiation?
A. Founder Effect - when a few organisms colonize a new area
B. Emigration - when individuals leave a population
C. Coevolution - when species evolve together
Founders' effect type of genetic drift occurs from adaptive radiation. thus option A is true.
What is genetic drift?Genetic drift is an evolutionary process in which the frequency of a given gene allele varies randomly across a population.
The founder effect, which happens when a small group of people splits off from a larger population to form a colony, is yet another extreme illustration of drift.
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Answer: A. Founder Effect - when a few organisms colonize a new area
Explanation:
S. WHAT TYPE OF RELATIONSHIP EXISTS BETWEEN BUMBLE BEES AND FLOWERS?
BUMBLE BEE DISLODGING POLLEN
1.40
Hint: Pollen provides bumble bees with protein. They also make honey by
chewing pollen and mixing it with their saliva.
Answer:
Answer: Mutualism or also known as Symbiosis.
Explanation:
As the bumble bee is provided with protein from the pollen, the follower is also benefitting from the bumble bee by BEING pollinated.
What hormone causes changes in females during puberty?.
Answer: Estrogen, beside FSH and LH, causes a girl's body to develop and plans her for pregnancy. So that's what's truly happening amid adolescence it's all these unused chemicals moving around interior your body, turning you from a adolescent into an grown-up with grown-up levels of hormones.
Explanation: