Question

explain the positive feedback mechanism..... (history) explain in context with the box given on page no 13 ( from the beginning of the time)


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Answer 1

Answer:

Bipedalism or upright walking helped to use less energy for hunting, carrying infants, making and using weapons. Flexibility in hands and fingers enabled hands to be freed for carrying infants or objects. In turn, as hands were used more and more running became easy.

Answer 2

Answer:

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Explanation:

I'm waiting for next level