The flat-lying area surrounding a river channel is termed the ________.
A) base level
B) floodplain
C) stream gradient
D) thalweg

Name: The flat-lying area surrounding a river channel is termed the ________. A) base level B) floodplain C) stream gradient D) thalweg
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The flat-lying area surrounding a river channel is called a floodplain. A floodplain is the zone adjacent to a stream or river channel that is inundated by high flows and contains alluvium deposited during past floods.

The Flat-Lying Area Surrounding a River Channel Is Termed the ________