Multiple Choice
Why does water released from a dam erode the streambed so much more than it would have before the dam existed?
A) It has a greatly increased velocity.
B) It has more stream power than it would have had before the dam.
C) The dry stream bed below the dam weakens while it is left dry.
D) The stream power now exceeds the sediment load by a great amount.
Correct Answer:

Verified
Correct Answer:
Verified
Q68: Why is a stream able to pick
Q69: A _ of sea-level causes a lowering
Q70: Based on observations, geologists have determined that
Q71: How is stream power calculated?<br>A) multiply average
Q72: Sediment is deposited in a stream when<br>A)
Q74: Which of the following is not a
Q75: Figure 16.28 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5867/.jpg" alt="Figure 16.28
Q76: Judge the following sentence according to the
Q77: A stream increases its channel slope as
Q78: If two streams undergo the same downstream