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The Kosi river is often associated with which problem?

Answer and explanation

Correct answer: Floods and shifting course

Direct answer: A, floods and shifting course. Kosi carries much sediment from the Himalaya. When it reaches flatter land, its speed falls and sediment is deposited. The river may then change its channel, while heavy monsoon rain causes floods. A is correct because both flooding and channel shifting are well-known Kosi problems. B is wrong: Kosi is not permanently dry. C is wrong: lava belongs to volcanic activity, not ordinary river flow. D is wrong: tides are caused mainly by the gravitational pull of the Moon and Sun, not by Kosi. Exam cue: Kosi is often remembered as a flood-prone, changing river.

Related tags

KosiFloodsCourse Shift

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