18.

2 answers:

7 0

<span>The most prominent features of a narrow, V-shaped valley, where the stream profile drops rapidly, are rapids and waterfalls. The correct option among all the options that are given in the question is the second option. I hope that this is the answer that you were looking for and the answer has come to your help.</span>

bagirrra123 [75]3 years ago

3 0

The correct answer is rapids and waterfalls.

Rapids refers to the segments of streams with extensively vigorous currents, various obstacles, and steps in their streambeds. A waterfall refers to a vertical drop in a stream bed. Both are the locations of vigorous erosion.

The rapids are generally produced where the resilient bedrock limits a stream to a narrow channel and forces an enhancement in the velocity of water.

On the other hand, waterfalls are produced where the fast-flowing water negotiates a geologic contact amid the more resilient and less resistant layers of rock, or through a fault, which has analogized distinct kinds of rocks. Or it can be said that waterfalls usually produce at the end of a series of rapids.

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