The limiting level below which a stream cannot erode the land is called its
A) base level.
B) ultimate level.
C) bed level.
D) erosion level.

Question

Quizplus · Accepted Answer

The base level of a stream is the lowest point to which it can erode its channel. This is often sea level for streams that eventually flow into the ocean, but it can also be the level of a lake, resistant rock layer, or another stream into which the stream flows.

The Limiting Level Below Which a Stream Cannot Erode the Land