Question

Desert sand dunes are created through the processes of ___________ and ____________.

Answer 1

Answer:

B, erosion and deposition

Answer 2

Answer:

B. Erosion and deposition

Explanation:

First you can eliminate A. because there isn't much water in a desert.

You can also eliminate C. because deserts are not cold enough to freeze.

Finally you are left with B. and D. Since there is not many chemicals in a desert you can eliminate D.

So you are left with B.