Question

which is an important river valley in the sahel?
a. tigris
b. niger
c. euphrates
d. mediterranean

please select the best answer from the choices provided
a
b
c
d

Explanation:

The Sahel is a region in Africa. The Tigris and Euphrates are in the Middle East, and the Mediterranean is a sea, not a river valley in the Sahel. The Niger River is in West Africa and has an important valley in the Sahel region.

Answer:

B. Niger