The soil of the Nile River Valley is best characterized as?

A. Rocky
B. Dry
C. Barren
D. Fertile

D. Fertile

The soil of the Nile River Valley is highly fertile due to the annual flooding of the Nile River, which deposits nutrient-rich silt onto the land. This fertile soil has supported agriculture in the region for thousands of years and is one of the reasons why ancient Egypt was able to thrive and become a powerful civilization.