Sand dunes have similar shapes to mountains because of wind movement. The wind constantly pushes sand in a particular direction, forming a mound with a gentle and steep side, much like a mountain. However, dunes are mobile and change shape ...
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Sand dunes have similar shapes to mountains because of wind movement. The wind constantly pushes sand in a particular direction, forming a mound with a gentle and steep side, much like a mountain. However, dunes are mobile and change shape ...