Which agent of erosion most likely moves sediments in a sand dune

Wind deposition

Explanation:

Wind Deposition is the geological phase through which a landform or land mass is attached to sediments, soil, and rocks.This occurs when the wind slows down or some barrier, like a rock or a clump of grass, traps the sediment of wind-blown sands.

Wind deposition is an agent of erosion which most likely moves sediments in a sand dune. This increases in pace as the wind passes up and over the barrier. It takes the grains of sand up the gently sloping, salting upwind side of the dune.

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