How are the climates of the West different from the climates of the other regions of the United States? A
They are mostly dry
B
They are mostly cold
C
They are mostly sunny
D
They are mostly humid

The climate of the United States varies due to changes in latitude, and a range of geographic features, including mountains and deserts. Generally, on the mainland, the climate of the U.S. becomes warmer the further south one travels, and drier the further west, until one reaches the West Coast.

i think the answer is going to be arabian desert!

because the center-south is called the heart of the country