Question

what is sand dunes ???????

Answer 1

sand dunes are the lofty peaks of sand (dry sand) made due to the uneven air flow condition in the desert area

Answer 2

hey mate !!

here is u r answer!!

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sand gets transporated form one place to another along with the wind.

at a spot where the wind meets on obstructions or where the speed of the wind reduces ,dunes are formed out of the sand which gets deposited.

the side of the dune facing the wind has a gentle slope and opposite side has a steep slope.

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ok help u