Answer:
It is 2.
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Explanation:
Answer:
They lie flat when we are warm, and rise when we are cold. The hairs trap a layer of air above the skin, which helps to insulate the skin against heat loss. For example, if we become too cold, the hair erector muscles contract.
Explanation:
Plants because it can turn it in to something
Biological Evolution- is the refers to the cumulative changes that occurs ina population over a time.
The answer Is B good Luck