Why is there sand in deserts and no dirt? Why isn’t there sand anywhere else?

Question

I figured it was something to do with sand being light enough to be carried by wind, but that wouldn’t explain why the rest of the world lacks sand.

In: 327

Answer 1

, never seen a sandy beach? A sandy riverbed, I’ve even seen parts of fields that had sandy soil, for example alberta has alot of sand but no desert.