Multiple Choice
Entrenchment of a channel occurs because
A) the river flows from consolidated rock into a region composed of loose sediments.
B) rejuvenation occurs due to uplift.
C) isostatic downwarping of the crust occurs.
D) a decrease in stream gradient occurs.
E) a change in the bed load size-distribution occurs.
Correct Answer:

Verified
Correct Answer:
Verified
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