What kind of geography was the great basin?

The Great Basin is the largest desert in the United States. It has the Wasatch Mountains on the east, the Sierra Nevada on the west, and the Snake River Plain to the north.  The Great Basin includes most of the state of Nevada, half the state of Utah, and sections of Idaho, Wyoming, Oregon, and California.

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.

d is the correct answer