An imaginary surface extending beneath the continents which limits how deep streams may cut is ________.
A) grade
B) base level
C) traction
D) a trellis
E) a knickpoint

Question

Quizplus · Accepted Answer

The term "base level" refers to the lowest point to which a stream can erode its channel, either the level of the body of water into which the stream ultimately discharges or an imaginary surface extending beneath the continents which limits how deep streams may cut. Therefore, base level is the answer as it specifically mentions the imaginary surface that limits how deep streams may cut.

An Imaginary Surface Extending Beneath the Continents Which Limits How