A(n) ____ is a gently sloping erosional surface, commonly covered with a veneer of gravel, cut into the solid rock of a mountain.

Question

Quizplus · Accepted Answer

The definition matches with that of pediment, which is an inclined erosional surface that gently slopes away from the base of a mountain, typically covered with a layer of gravel or alluvium. Choice A (bajada) is a term used to describe a sequence of coalescing alluvial fans, while choice C (cuesta) refers to a ridge with a gentle slope on one side and a steep slope on the other. Choice D (arroyo) is a Spanish term for a small steep-sided gully, and choice E (playa) refers to a flat expanse of land along a desert basin, sometimes covered with salt and gypsum.

A(n) ____ Is a Gently Sloping Erosional Surface, Commonly Covered