Which statement most accurately describes how geography affected the growth of the ancient civilizations of the egypt and mesopotamia?

River valleys provided 'rich soil' to grow plentiful crops.

Explanation:

In ancient Egypt and Mesopotamia, the lands adjacent to the courses of rivers were highly fertile and were called 'black land' (contrary to sandy stretches of deserts which were called 'red land'). In ancient  Egypt, most settlements happened on the banks of the River Nile. The Nile valley provided with promising arable land and abundance of water. In Mesopotamia, settlements happened on the banks of River Tigris and River Euphrates.People settled here for there was an availability of black fertile soil which allowed them to carry out agricultural activities.

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