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History 8 Online
OpenStudy (anonymous):

Identify the river valley believed to be the location of the first known civilization-Mesopotamia. Answer Indus River Valley Huang He River Valley Tigris-Euphrates River Valley Nile River Valley

OpenStudy (anonymous):

That is easy! Tigris-Euphrates river valley. I learned that in 6th grade. :D

OpenStudy (anonymous):

i hardly ever payed attention in 6th grade.. but thankyou

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