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By what name is the action of a river cutting land known?

Answer and explanation

Correct answer: Erosion

The direct answer is B: erosion. River erosion is the wearing away and removal of soil, rocks, or land by moving water. A river has energy because it flows, and this energy can scrape, break, carry, and cut material from its banks and bed. Step by step, flowing water strikes the land, loosens particles, carries some of them away, and may deepen or widen a valley. Therefore, the action described as a river cutting land is erosion. Option A, deposition, is the opposite process: it is the laying down of material when the river loses energy. Option B is correct because cutting and wearing away are the meanings of erosion. Option C, evaporation, is the change of liquid water into water vapour due to heat; it does not describe cutting land. Option D, condensation, is the change of water vapour into liquid water; it also has no connection with river cutting. Exam cue: erosion removes material, while deposition leaves material behind.

Related tags

GeographyDrainageRivers

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