Question

definition of sand dunes​

Answer 1

Explanation:

Sand dunes are a low hill-like shape formed by means of the deposition of sand in the deserts. While the wind blows, it lifts and transports sand from one place to another. While it stops blowing, the sand falls and gets deposited in low hill-like systems. These are referred to as sand dunes.

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Answer 2

Answer:

A dune is a landform composed of wind or water driven sand. it typically takes the form of a mound, ridge, or hill. an area with dunes is called a dune system or a dune complex.