S.S Quiz - Lesson 1

It provided floods to help water crops.

It affected them because the lack of woods, and mountains made them an easy target for raids.

They used irrigation canals, and in the irrigation canals they built gates so that if the crops had too much water, they could just close the gates.

Surplus is very important because withought it civilization would have been almost impossible.

Silt came when the rivers flooded, and it put a layer of good soil over the bad soil for better crops.

The prefix semi means "half." The word arid means "dry." A semiarid region has some rain, but remains fairly dry.

They used the irrgation system.

They used mud to built their houses because they didn't have woods or stone, and they created the irrigation system to water crops during droughts.

A floodplain is flat land bordering a river.

Because Mesopatamia didn't have much resources except for a surplus of grain, so they traded some of their grain for other items that they needed.