What must we (current society) learn from the early human beings?

Explanation:

Studying human origins helps researchers understand genetic variation and how the diversifying genes impacts modern humans' immune systems. In order to keep up with pathogenic diseases to develop effective treatments, researchers have to understand the evolutionary patterns of the pathogenic organisms and humans.

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answer; /// the answer to the first question is (b) it began when people first deliberately seeds; /// and (d); // it gave people a steady food supple for the first time;

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