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

Amountain is larger than a hill, with steep sides true or false

What is a small water source like a stream or brook?

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory