Explanation:
A cryosphere is just a hydrosphere but it's frozen in some way. glaciers, ice caps, and icebergs are cryospheres (frozen bodies of water).
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Answer: Nutrition and respiration
Explanation: animals can't grow if they don't eat anything which can be absorbed to help with production of cells and they can't live if they don't breathe.
Answer:
Increase in blood flow; increase in blood pressure
Explanation: