Assertion (A) : The frequency of floods in north Indian plains has increased during the last couple of decades.

Monjur Alahi

Assertion (A) : The frequency of floods in north Indian plains has increased during the last couple of decades.
Reason (R) : There has been a reduction in the depth of river valleys due to deposition of silt.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true


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Salim Ahmed Kawsar

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(a) Siltation is the process of deposition of silt on the river bed through rain water, by which the depth of the river reduces. The flood water crosses the river embankment, by which flood occurs in most part of north India.

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