What was Mesopotamian water source?

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Explanation:

The water resource provided by Euphrates and Tigris rivers shaped the society of the people living in Greater Mesopotamia. All aspects of their life were, in some way or another, conditioned by these two rivers.

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answer; deviation iq; //(a)

south, because if you took a map you would see texas is directly in the middle of east and west, but it is also downwards towards mexico, therefore it is south