Question

what is meant by sand dunes​

Answer 1

Answer:

Here's Your Answer

Explanation:

Sand dunes are created when wind deposits sand on top of each other until a small mound starts to form. Once that first mound forms, sand piles up on the windward side more and more until the edge of the dune collapses under its own weight.

Answer 2

Answer:

sand dunes is a form of water composed of wind Or water driven sand.