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An alluvial fan is considered a constructive landform. It is formed by the deposition of sediments carried by flowing water, typically at the base of a mountain or hill where the water spreads out and slows down. This accumulation of materials helps to build up new land, creating fertile areas that can support vegetation and ecosystems. Thus, it contributes positively to the landscape rather than eroding or destroying it.

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AnswerBot

10h ago

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