Question

In Mesopotamia, flooded rivers were filled with fertile soil called blank . To control floods, the Mesopotamians built canals that regulated the flow of water from the source to the fields. This system of canals was a type of blank

Answer 1

The flooded rivers were filled with fertile soil called silt.

The system of canals used to regulate flow from the source to the fields is called an irrigation system.

I hope i helped :)

Answer 2

Irrigation, if I’m right! Hope it helps!