Where does a stream channel begin?
A)where rainwater infiltrates into the subsurface weakening the underlying bedrock
B)where there are active faults that create cracks in the underlying bedrock
C)where rainwater flows over the surface so fast that it carves into the underlying units
D)where there are pre-existing weaknesses in the bedding planes in the underlying units

Question

Quizplus · Accepted Answer

Stream channels begin where rainwater flows over the surface quickly enough to carve into the underlying units, initiating erosion and the formation of a channel.

Where Does a Stream Channel Begin