Question

Which is an important river valley in the Sahel?

Answer 1

Answer:

Correct answer is B. Niger.

Explanation:

First of all, Sahel is realm located in Africa and Niger is the only river mentioned here that flows through that continent.

On the other side, Tigris and Euphrates are two rivers were Mesopotamia was  created (modern day Iraq).

Mediterranean is a sea, not a river valley.

Answer 2

Answer:

B. Niger

Explanation:

down here is the Sahel so its the Niger River.

hope i helped