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emmasim [6.3K]
3 years ago
10

How does heat from the sun warm the earth?

Biology
2 answers:
rewona [7]3 years ago
7 0

Answer:

Heat from the sun may warm the Earth when greenhouse gases absorb infrared radiation (IR), which you cannot see but can feel as heat. Dark surfaces also play a huge role in heating up Earth's surface, as they reflect less light and absorb most of the energy from the sun, in contrast to lighter surfaces, which reflect more light than it absorbs.

MAVERICK [17]3 years ago
3 0

Answer: the sun heats the earth through radiation

Explanation:

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Stolb23 [73]

Atherosclerosis refers to the build-up of fats and cholesterol in the walls of blood vessels (Option A).

<h3>What is atherosclerosis?</h3>

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An inhibitory stimulus has occurred. B. Chemically gated potassium channels have opened. C. Excessive potassium has diffused out
andrezito [222]

Given question is incomplete. Complete question has been attached.

Answer:

C. Excessive potassium has diffused out causing hyperpolarization.

Explanation:

The nerve action potential can be divided into following stages:

  • Stimulus is detected by the cell in resting stage.
  • Sodium channels in the membrane open from where influx of sodium ions occur which is called depolarization
  • After a while, sodium channels close and potassium channels open from where efflux of potassium ions occur which is called repolarization.
  • The membrane potential further lowers due to continous efflux of potassium ions which is called hyperpolarization.
  • After a while potassium channels close and membrane returns to its resting stage.

In the given figure, stage 4 depicts hyperpolarization because the membrane potential has dropped to the lowest point below -70mV. Hence, option C is correct.

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Answer:

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— https://www.nwcg.gov/course/ffm/conversions/21-unit-conversion-and-conversion-factors#:~:text=A%20conversion%20factor%20is%20a,equal%20value%20must%20be%20used.

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