Which three geologic terms are used to describe the course of an ephemeral stream?
A) arroyo; gulley; canyon
B) gulley; ditch; wadi
C) wash; gulley; arroyo
D) wash; arroyo; wadi

Question

Quizplus · Accepted Answer

Wash, arroyo, and wadi are all terms used to describe the course of an ephemeral stream in various regions around the world. A wash is a dry stream bed that fills with water during heavy rains. An arroyo is a steep-sided gully or canyon created by erosion from flowing water. A wadi is a dry riverbed that fills with water seasonally or after heavy rains. Together, these terms encompass the various types of ephemeral streams found in different geologic settings.

Which Three Geologic Terms Are Used to Describe the Course