The answer is C. Surprising plot twist.
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Answer:
the correct answer is D.) and A.)
Explanation:
i took the test and got it right your welcome
A: They lived in regions where climate was markedly different
Answer:
Four major agricultural societies emerged between 4000 and 2400 B.C. These were located in the areas of the Tigris and Euphrates rivers in Mesopotamia, the Nile River in Egypt, the Indus River in India, and the Huang He, or Yellow River, in China.
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I believe that the answer is C