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What is the main role of rivers in irrigation?

Answer and explanation

Correct answer: They provide water to fields

Direct answer: A, rivers provide water to fields. Irrigation means supplying water to crops when rainfall is insufficient or when water is needed at a particular stage of growth. Rivers can provide a source for canals, channels, pumps, and other irrigation arrangements, subject to local conditions and water-management rules. This water supports agriculture by helping crops receive the moisture needed for growth. B is incorrect because rivers do not normally burn crops; excessive or damaging flow can create other problems, but burning is not their irrigation role. C is incorrect because river water does not turn ordinary soil into stone. D is incorrect because rivers do not stop rainfall; rainfall and river flow are different parts of the water cycle. A is correct because supplying water to agricultural fields is the main irrigation connection. Memory cue: irrigation means bringing water to crops, and rivers can be an important source.

Related tags

GeographyDrainageIrrigationRiversRole Of RiversClass 9 Mcq

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