The size, shape, and arrangement of dunes is affected by many factors, two of which are ____ and ____.
A)cross-bedding; sand supply
B)cross-bedding; vegetation
C)sand supply; wind direction
D)vegetation; saltation
E)vegetation; deflation

Question

Quizplus · Accepted Answer

The size, shape, and arrangement of dunes are affected by many factors, including sand supply and wind direction. Sand supply determines the amount of sand available for dune construction, and wind direction determines the direction in which the dunes migrate and how they are shaped. Other factors that can affect dune formation include vegetation, cross-bedding, deflation, and saltation, but sand supply and wind direction are two of the most important factors.

The Size, Shape, and Arrangement of Dunes Is Affected by Many