Many of the desert regions of the southwestern U.S. have developed as a result of

Question

Quizplus · Accepted Answer

The correct answer is D because all of the choices are factors that have contributed to the development of desert regions in the southwestern U.S. The interior position of the region within the continent means that it is far from any major source of moisture. The presence of mountains to the west of the region blocks moisture from the Pacific Ocean from reaching the region. The location of the region within a low-pressure zone means that it is often under the influence of dry, descending air.

Many of the Desert Regions of the Southwestern U