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Title: What was a major factor for the increase in human populations? Post by: shady on Jan 21, 2018 What was a major factor for the increase in human populations?
a. A large stable base of calories. b. The hunter-gatherer societies. c. Reduction of common diseases. d. Access to better medical care. Title: What was a major factor for the increase in human populations? Post by: uniquehihihi on Jan 21, 2018 A
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