In a sand dune in a river,_________ occurs on the upstream side of the dune and ___________ occurs on the downstream side of the dune.
A)deposition; deposition
B)erosion; deposition
C)deposition; erosion
D)erosion; erosion

Question

Quizplus · Accepted Answer

Erosion occurs on the upstream side of a sand dune due to the water flow impacting the dune and removing material. Deposition occurs on the downstream side as the water flow slows down and deposits the carried material.

In a Sand Dune in a River,_________ Occurs on the Upstream