A series of vertical steps in a stream made to avoid soil scouring is called ___________________?
Correct answer: C. Cascades
- A. Levees
- B. Embankment
- C. Cascades
- D. Banks
Explanation
Cascades are a sequence of small vertical steps or drops constructed in a channel to reduce water velocity and prevent bed erosion. Levees and embankments are raised earth structures along the sides of channels or fields.
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