Question

Is wind the only gradational agent in the desert?

Answer 1

it is a major gradational agent in desert bit not the only one
water is also but very less
animals present in desert like snakes lizards
hope it helps you

Answer 2

Gradation is a process where the rock like substance's erosion, transportation and deposition were occured.

The agents whick take part into the procedure are known as the gradational agents.

There are four gravitational agents river,glacier,wind and sea water.

The wind is the only agent which exists in the desert areas.

So it is true that the wind is only gradational agent of the desert areas.