I would go with c because its tells you right in there that the ecosystem help who lives around that area.
Polar ice cap
Explanation:
The polar ice cap is an area on the earth that extends from 66.5° north and south of the equator to the poles.
The polar ice cap is an area of very low temperature and the surface is mostly covered by ice.
- The vast polar ice caps the earth's northern and southern limits.
- This is the region of the Arctic and Antarctic circle.
- This region receives diffused solar radiation from the sun.
- This is why they rarely warm up.
- The region of the equator has no ice because they receive direct sunlight.
- The soil here is frozen.
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The answer is Glucagon Increases. This works like this after
a meal of a rich carbohydrate, over four to six hours the blood glucose level
rise, leading to an increase in glycogen. Produced by alpha cells of the
pancreas and released in response to low blood glucose and epinephrine.
Secretion inhibited by high blood glucose and insulin. Stimulates glycogen
breakdown and inhibits glycogen synthesis
