Why have many countries in Southwest Asia had to develop new technologies such as desalination in order to access fresh water?

A. Because much of the region is mountainous
B. Because much of the region is covered in desert
C. Because the Tigris and Euphrates rivers no longer provide sufficient water flow.
D. Because much of Southwest Asia is landlocked

B. Because much of the region is covered in desert

Many countries in Southwest Asia have limited access to fresh water due to being located in arid or semi-arid regions with limited natural sources of freshwater. As a result, they have had to develop new technologies such as desalination to access fresh water for drinking, agriculture, and other uses.