Question

A dam is built on a large river. Backed-up water behind the dam forms a lake, like in the picture below.

The dam doesn't just hold back water; it also holds back soil and sediment. How will the dam most likely affect the river downstream?
A.
Natural deposition rates will decrease.
B.
Natural weathering rates will decrease.
C.
Natural deposition rates will increase.
D.
Natural weathering rates will increase.

Answer 1

Answer: I think it's "A" but I'm not sure.

Have a good day though ; )

Step-by-step explanation: