erosion
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sand dunes
Sand dunes aren't stationary because its just a big mound of sand, and wind can blow away sand.
Sand dunes are formed when sand is pushed by the wind into a very, very small mound.
Sand dunes move down wind. A simple example: if the prevailing wind is from the west, the dunes will mainly move towards the east.
wind erosion creates sand dunes
formed in deserts from deposits of eroded Sand
The massive wind blown piles of sand are called sand dunes. This is when sands blow into a pile.
A ridge of sand created by the wind; found in deserts or near lakes and oceans.
Wind and water reshape sand dunes
No, the sand dunes travel with the wind, and it can be frighteningly quick.
Dunes are created by wind moving the sand into small hills.