Question

Explain the term ‘sand dunes’.

Answer 1

A mount , hill of sand that lies behind the part of beach by the affection of this is called Sand dunes.

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Answer 2

Answer:

Winds erode the lower section of the rock more than the upper part. Therefore such rocks

have narrower base and wider top. When wind blows , it lifts and transport sand from one place

to another . When it stops blowing the sand falls and gets deposited in low hill like structures and

these are called sand dunes