What is the base level of a stream?
A) the elevation along a smooth concave-up profile
B) the elevation at its lowest point
C) the elevation at the headwaters
D) the elevation where it touches the bedrock

Question

Quizplus · Accepted Answer

The base level of a stream is the elevation at which it enters a larger body of water, such as a lake or ocean. This elevation is determined by the elevation of the larger body of water and the slope of the stream.

What Is the Base Level of a Stream