The Tigris and Euphrates Rivers both flooded in Mesopotamia (they surrounded it), bringing silt (fertile soil) to the land.
Before the Tigris and Euphrates were dammed, the land between them had very fertile soil. This soil was deposited during the annual flooding of the rivers.
The Nile, Tigris and Euphrates rivers gave food (fish), fertile soil and transportation.
Tigris and Euphrates
The two most important rivers in Mesopotamia were the Tigris and Euphrates rivers. These rivers provided fertile soil for agriculture, as well as water for irrigation and transportation. The civilizations that developed along these rivers, such as the Sumerians and Babylonians, relied on them for their economic and social development.
The fertile crescent
The annual river flooding brings soil down from the mountains.
because is having fertile soil on its banks
The twin rivers of Mesopotamia (modern Iraq) are the Tigris and Euphrates The rivers provided waters for irrigation and their flood plains renewed soil fertility.
This area has good farmland. Especially after a flood this area would have very rich soil.
The Tigris and Euphrates Rivers both flooded in Mesopotamia (they surrounded it), bringing silt (fertile soil) to the land.
There are two rivers that feed into the land of Mesopotamia. They are the Tigris and Euphrates rivers. They are important because the two rivers brought silt, a rich soil which helps plant grow extremely well. I hope my answer helped! :)