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30 July, 21:16

A natural, meandering, river channel is modified into a more or less straight and smooth, canal-like channel. Which of the following statements is correct?

A. The straight channel has a higher gradient and more friction than the natural channel.

B. The natural channel had a lower gradient and higher friction than the straight channel.

C. The natural channel had a lower gradient and less friction than the modified channel.

D. All of the above statements are true.

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Answers (1)
  1. 30 July, 23:44
    0
    Option B is Correct

    Explanation:

    B. The natural channel had a lower gradient and higher friction than the straight channel.
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