A ________ develops along a streambed containing bedrock of differential resistance.
A) water gap
B) knickpoint
C) scree
D) distributary
E) fault

Question

Quizplus · Accepted Answer

A knickpoint is a location along a stream where there is a steep drop in elevation due to a change in the underlying bedrock. The bedrock may be more resistant to erosion than the surrounding rock, causing the stream to erode more slowly at that location. Over time, this can lead to the formation of a water gap, where the stream has cut through the resistant rock, or a waterfall.

A ________ Develops Along a Streambed Containing Bedrock of Differential