Question

can you explain sand dunes briefly?

Answer 1

Answer:

sand dunes are sands in the desert that forms and looks like hills shapes.

when the wind blows it carry along with the sand and form hills...

these hills are not temporary as they shift from one place to another

Explanation:

hope it helps you

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Answer 2

Answer:

sand , dune are sand in the desert that look like hill shape

when the wind blow it carry along witn a sand and form the sand