Question

what are sand dunes​

Answer 1

Answer:

Dunes are large masses of wind-blown sand, and are most common in deserted environments, such as the Sahara, and also near branches.

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Answer 2

Answer:

A sand dune is a mount, hill or ridge of sand that lies behind the part of the beach affection by tides. They are formed over many years when windblow sand is trapped by beach grass or other stationary objects. without vegetation, wind and waves regularly change the form and location of dunes

Explanation:

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