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What is the benefit of silt brought by rivers for farmers?

Answer and explanation

Correct answer: It increases soil fertility

The direct answer is A, silt increases soil fertility. Silt is very fine soil material carried by moving water. Step by step: a river erodes and transports fine particles from upstream; when the water slows, some particles settle on nearby land; these deposits may contain mineral nutrients and form alluvial soil; fertile soil can support better crop growth when other conditions such as water and proper management are suitable. Option A is correct because nutrient-rich alluvial deposits can improve agricultural soil. Option B, always making fields barren, is false because silt commonly improves soil, although excessive deposition can sometimes cause problems. Option C, destroying all crops, is an extreme claim and is not the usual benefit. Option D, making irrigation impossible, is unrelated and incorrect; rivers and fertile deposits may support farming. “May contain” is important because all silt is not equally fertile. Memory cue: river silt settles as nutrient-bearing alluvium, helping crops.

Related tags

SiltFarmersFertility

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