Question

According to the map of Mesopotamia the Tigris river

Answer 1

The Tigris River is one of the rivers along with the river Euphrates that defines Mesopotamia. The river Tigris is on the eastern side of Mesopotamia which is 1,150 miles long and at its widest point, the Tigris is 1,300 feet, the Sumerians knew the Tigris as the Idigna, which may be translated as "the swift river."

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Answer 2

It is a river system in Asia