Answer:
In comparison to the real thing, a model can help you visualize or picture in your mind something that is difficult to see or grasp, as well as express ideas and understand the process. Models, on the other hand, cannot incorporate all of the features and accuracy of an actual human body part since they must keep it simple enough to understand, which limits the models, despite their value.
Explanation:
What are the symptoms of poor blood circulation in the legs.
Answer:
1. Numbness of Extremities
2. Fatigue
3. Loss of Appetite
4. Digestive Issues
5. Weak Immune System
6. Chest Pressure
7. Decreased Cognitive Ability
8. Cold Extremities
9. Skin Discoloration
10. Dark Eye Circles
someone please answer !! giving our brainliest !!
Answer:
b. A,C, and D
Explanation:
hope this helps and good luck on the rest
Difficulty in semantics, morphology, phonology, syntax, or pragmatics are characteristic of disorders of ________
Answer:
A spoken language disorder
Explanation:
need help............................
Answer:
D. X is eukaryotic and Y is prokaryotic
1. Which statement best describes a biogeochemical cycle?
(a) A cycle that recycles chemical elements and water.
(b) A cycle that continuously cycles chemical elements and water.
(c) A cycle that continuously cycles chemical elements and water that are needed by organisms.
(d) A cycle that continuously cycles chemical elements and water that are needed by organisms
through an ecosystem.
The answer is D
(Hope this helped!)
The statement that best describes a biogeochemical cycle is A cycle that continuously cycles chemical elements and water that are needed by organisms through an ecosystem (option d) is the biogeochemical cycle, which is important for the environment's sustainability.
What is the significance of the biogeochemical cycle?It maintains the carbon cycle in regulating the Earth's climate, maintains the quality of air and water, regulates the levels of nitrogen in soil and water, supports the survival of other organisms, and maintains the carbon and nitrogen cycles. As a result, they are significant to all living organisms in the ecosystem.
Hence, the statement that best describes a biogeochemical cycle is A cycle that continuously cycles chemical elements and water that are needed by organisms through an ecosystem (option d)is the biogeochemical cycle, which is important for the environment's sustainability.
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are SARS-CoV-2 infection and transmission study on humans rather than animal models unethical?
Answer:
No. As long as these studies are supervised by ethics committees of human research
Explanation:
In medical research, ethical committees are responsible for ensuring that experimentation and methodological studies on human subjects are carried out in accordance with national and international well-established guidelines. In general, experimentation on human subjects is framed in a line of phased clinical trials. The ethics committees are organizations composed of medical specialists, scientific researchers, non-medical and non-scientific members who work together to ensure the protection of the rights, health and safety of the human subjects involved in such clinical trials.
SARS-CoV-2 infection and transmission studies on humans instead of animal models are ethical thanks to the supervision of the ethics committees.
The answer is no, As long as these studies are supervised by ethics committees of human research.
The ethics committees are organizations composed of medical specialists, scientific researchers, non-medical and non-scientific members who work together to make sure the protection of the rights, health, and safety of the human subjects involved in such clinical trials.
Poor responses from the authorities to the spread of infection, lack of effective measures for prevention, unavailability of promising treatment options, and sufficient diagnostic options have created an alarming for the globe.
The transmission routes from human to human of SARS-CoV-2 can be-The direct transmissionDroplet inhalation transmissionContact transmissionTransmission through salivaTransmission via fecal-oral routes.
In medical research, ethical committees are responsible for ensuring that experimentation and methodological studies on human subjects are carried out in accordance with national and international well-established guidelines.
Therefore, SARS-CoV-2 infection and transmission studies on human trials are ethical so the answer is No.
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tumors can grow their own tumors called __. ?
Answer:
Fibroids, or fibromas, are benign tumors that can grow on the fibrous or connective tissue of any organ.
Explanation:
I hope this is the answer that you were looking for.
(my bad if it isn't)
Why are the reactions that occurred in early earth different from modern Earth?
because of the help of a living being in the form of plants/algae that enrich oxygen on earth, then after the oxygen is fulfilled, son, then living creatures such as animals, etc. will develop.
The reactions that occurred in early Earth were different from modern Earth due to several factors related to the planet's initial conditions and its subsequent evolution over billions of years.
1. Atmosphere: The early Earth had a drastically different atmosphere compared to the present one. It was primarily composed of gases like methane, ammonia, and water vapor, lacking significant amounts of oxygen. Modern Earth's atmosphere, on the other hand, is predominantly nitrogen and oxygen, with trace amounts of other gases.
2. Temperature: Early Earth was much hotter than it is now due to intense volcanic activity and the planet's heat from its formation. Over time, as the Earth cooled down, the temperatures became more conducive to different chemical reactions.
3. Surface conditions: The early Earth had a more active and geologically dynamic surface with frequent volcanic eruptions, impacting the types of reactions that could occur. Today, the Earth's surface is relatively stable and has developed diverse ecosystems.
4. Availability of elements: The abundance and distribution of elements on early Earth were different, as various geological and cosmic processes have influenced the planet's elemental composition over time.
5. Biological influence: Life itself has significantly impacted the chemical reactions on Earth. Early life forms, such as cyanobacteria, played a vital role in oxygenating the atmosphere through photosynthesis, which led to significant changes in the chemistry of the Planet.
These factors collectively shaped the early Earth's chemical landscape, fostering reactions that were distinct from those observed in the modern Earth we know today. As the planet evolved, so did its chemical and physical processes, leading to the diverse and complex environment we now inhabit.
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Compare and contrast how the body can increase and decrease blood pressure
Answer:
An example of this event is hypothermia, where blood pressure decreases and the blood vessels constrict, while in hyperthermia, the blood pressure increases and the blood vessels dilate.
how to defind the energy of radio
Explanation:
Radio Frequency Is one of the electromagnetic frequency waves that lie in the range stretching from below 3 kilohertz to around 300 gigahertz and which includes the frequencies used for communication signals (such as for radio and television broadcasting and cellular telephone and satellite transmissions)
I hope this helps
I need someone to help me with my homework in biology.
Answer:
9= 10. 10=100
Explanation:
thats all i can do
Which three steps describe how an animal obtains and uses energy for growth?
First, an animal eats another organism. Then, food is built into larger molecules. Next, the animal’s cells use molecules to make new cells.
First, food is built into larger molecules. Then, the animal eats another organism. Next, the animal’s cells use molecules to make new cells.
First, an animal eats another organism. Then, food is broken down into smaller molecules. Next, the animal’s cells use molecules to make new cells.
First, food is broken down into smaller molecules. Then, the animal eats another organism. Next, the animal’s cells use molecules to make new cells.
Answer:
3
Explanation:
First, an animal eats another organism. Then, food is broken down into smaller molecules. Next, the animal’s cells use molecules to make new cells.
the animal has to first eat the other organism, when food is ingested it is broken down into smaller molecules. Amylase breaks down complex sugars to glucose, protease breaks down protein
A snowshoe rabbit changing its fur color to white in the winter and back to
brown in the spring is an example of:
What do you think happens to a fish’s behavior in cold climates during the winter? Explain your answer.
Describe the conditions that cause igneous rocks to form large grains
or no visible grains.
Answer:
Explanation: When magma cools slowly beneath Earth's surface, large grains are formed. When cooling happens SO quickly there are no visible grains.
If there was not an increase in cyanobacteria in early Earth, what would have happened to Earth’s early atmosphere?
A. The amount of oxygen would have increased, causing an increase in aerobic autotrophs and heterotrophs
B. The amount of oxygen would have increased, causing a decrease in aerobic autotrophs and heterotrophs.
C. The amount of oxygen would have decreased, causing an increase in aerobic autotrophs and heterotrophs.
D. The amount of oxygen would have decreased, causing a decrease in aerobic autotrophs and heterotrophs.
Answer:
D.The amount of oxygen would have decreased causing a decrease in aerobic autotrophs and heterotrophs
In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells. Cells are the basic unit of structure in all organisms and also the basic unit of ... All living organisms are composed of one or ...
1. Which factor most directly limits the variety of herbivores living in an area?
A. amount of nitrogen in the atmosphere
B. number of decomposers present
C. types of plants present '
D. kinds of minerals in the water
2. What is always at the lowest trophic level of the food chain?
A. some kind of animal
B. some kind of plant
C. decomposer
D. consumer
3. An overpopulation of coyote in a certain area will most likely lead to?
A. decrease in the amount of fresh water
B. an increase in the number of autotrophs available for food
C. a decrease in the incidence of disease
D. an increase in competition between the coyote
The answers to your questions are as follows :
The factor that most directly limits variety of herbivores in an area is : ( C ) types of plants presentThe lowest trophic level of the food chain is : ( B ) some kind of plant The overpopulation of coyote in an area will lead to : ( D ) An increase in competition between the coyote HerbivoresHerbivores feed on variety of plants because not all herbivores feed on the same type of plant therefore an area with a variety of plants or grasses will have a variety of herbivores as well.
Trophic levelThe lowest trophic level in a food chains are the primary producers which are green algaes and green plants.
Effect of overpopulationOverpopulation leads to increase competition for basic amenities such as food, shelter and water. therefore the resulting effect of the overpopulation of coyotes is an increase in competition amongst themselves.
Hence we can conclude that the answers to your questions are as listed above.
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true or false: after cytokinesis 2 genetically identical daughter cells are produced
Answer:
True
Explanation:
Answer:
false.
Explanation:
Cytokinesis occurs after nuclear division (mitosis), which produces two daughter nuclei. Mitosis produces two identical daughter cells.
Which of the following is one benefit of using a model of the nitrogen cycle? (1 point)
O shows all of the elements interacting
O accurate data is available about how nitrogen increases affect the hydrosphere
o allows the scientist to see all of the inputs and outputs objectively
o the model is based on an uniform and measurable scale
Answer: D: The model is based on an uniform and measurable scale.
Explanation: Because. :/
Help pls thank u
I need this for tomorrow
What are the best conditions for ginger root to grow?.
Answer:
The best conditions for ginger root to grow is in warm, humid climates with lots of sun, but they need to be protected from strong winds.
Which statement correctly compares the "Analysis and "Conclusion sections of a lab report?
1. Only the "Conclusion section describes errors that occurred during the experiment, and only the "Analysis section suggests further research.
2. Only the "Analysis" section includes specific data comparisons, and only the "Conclusion section suggests further research.
3.Only the "Analysis" section discusses whether the original hypothesis was supported, and both sections include graphs of data.
4.Only the "Conclusion" section discusses whether the original hypothesis was 3upported, and both sections suggest further research.
Answer: B. "Question" states what she is asking, and "Hypothesis" states what she thinks the answer to that question is in "if... then... because" format.
Explanation:
I neeed helpp with both please anyone
Answer:
#1 omnivore #2 B
Explanation:
omnivore is both plants and meat and the skin tbh i searched it up its B
Elizabeth then writes down observations about the rocks. Which of the following is an opinion?
A.
The marble rock is prettier than the quartz rock.
B.
The quartz rock has a greater mass than the flint rock.
C.
The marble rock has the greatest mass of the group.
D.
The flint rock has a mass of 30.5 grams.
Answer:
A. The marble rock is prettier than the quartz rock
Explanation:
This is an opinion, whereas the other answers are facts.
Which example best illustrates the point behind the Tragedy of the Commons essay? A.Various nations overfishing in international waters, leading to a collapse of fish stocks. B. A property owner clear-cutting all of the trees on his land to sell for timber. C. A farmer that over plants his fields one year, leading to a poor harvest. D. One country declaring war on another.
Answer: B. A property owner clear-cutting all of the trees on his land to sell for timber.
Explanation:
The tragedy of the commons is a problem whereby an individual pursue his or her own personal gain at the expense of the overall well-being of everyone in the society.
In this question, the tragedy of commons will be a property owner clear-cutting all of the trees on his land to sell for timber. Even though the owner makes some income for himself, this act will bring about soil erosion, depletion of resource or flood. He neglected the society in order to satisfy his own needs.
The main source of energy used by the body is found in?
Answer:
carbohydrates
What are the four criteria for minerals?
Answer:
They are any substance that meets these four specific qualities:
Minerals are natural: These substances that form without any human help.
Minerals are solid: They don't droop or melt or evaporate.
Minerals are inorganic: They aren't carbon compounds like those found in living things.
Answer: Natural, Solid, Inorganic, And Crystalline
The new element Matadorium (Ma) has three isotopes: Ma-284 (34.60%), Ma-285 (21.20%),
and Ma-288 (44.20%). What is its average atomic mass?
Answer:
I believe it’s 284.45
Explanation:
Because my friend just helped me and she said it was this but again I am not totally sure if it’s right.
Define the three isolation types