The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The people living in the Mountains and Basins region of Texas have learned to adapt to its lack of water by establishing programs that benefit the conservation and responsible use of the much needed vital liquid. People form the basins and mountains have to live with the fact that precipitation in this region is of 8 to 10 inches annually. This region is the driest of all the state of Texas, with high temperatures reaching 120 degrees. The most important cities in this region are Alpine, El Paso, and Fort Stockton.