Downcutting (also known as rejuvenation)of a stream may be due to ________.
A)rising of sea level
B)uplift of land
C)a decreased gradient
D)thermal expansion

Question

Quizplus · Accepted Answer

Downcutting or rejuvenation of a stream typically occurs due to uplift of land, which increases the stream's erosive power as it cuts down into the rising rock. The other options (sea level rise, decreased gradient, and thermal expansion) do not directly affect the process of downcutting/rejuvenation.

Downcutting (Also Known as Rejuvenation)of a Stream May Be Due