When a weir is constructed, the downstream .bed of the river goes on eroding and consequently causes progressive lowering of the bed on downstream of weir called__________________? | MCQ Hive

Agriculture MCQs Water Management

Q When a weir is constructed, the downstream .bed of the river goes on eroding and consequently causes progressive lowering of the bed on downstream of weir called__________________?

A A. Retrogression
B B. Lowering down of bed
C C. Ponding on down stream
D D. All are correct

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