One side of a sand dune is typically steeper than the other side.The steepest slope is controlled by the angle of repose for sand and most materials.Which is this angle of repose?

Question

Quizplus · Accepted Answer

The angle of repose for sand is typically around 34°, making option C the correct choice. Options A (5°) and B (15°) are too shallow to create steep sand dune slopes, while option D (78°) is too steep for most materials to have a stable slope.

One Side of a Sand Dune Is Typically Steeper Than