Answers

2016-04-30T16:21:33+05:30
The hill like structures formed due to deposition of sand at one place by the wind in the desert is known as sand dunes.
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2016-04-30T16:24:30+05:30
The hill of sand which is built by the wind or water flow.these occur in different shapes by the interaction with the flow of water or air. Hope this helps.pls mark as brainliest....
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