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How do sand dunes move

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Mostly because of the wind outside and inside the loose sand. It blows the windward and makes it get to the top. Just the wind though
User Linh
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Sand dunes are masses of loose sand that move across the ground in wind. The grains are blown up the windward side of a dune until they reach the top; then they drop down into the shelter of the lee (the side away from the wind). Other grains are blown up and over, burying the first.


User Sadiqa
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