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Mathematics 7 Online
OpenStudy (anonymous):

Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. How were the Hohokam of North America and the ancient Mesopotamians alike? Both used irrigation. Both existed at the same time. Both lived in grasslands. Both had a written language.

OpenStudy (anonymous):

@Chris01

OpenStudy (anonymous):

irrigation

OpenStudy (angelmarie328):

Irrigation is correct! Definitely A.

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