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What does an alluvial fan form from?

A. Coastal wave action

B. Deposition by glacial meltwater

C. Sediment deposition at base of mountains

D. Sand dune migration

Answer: Option C

Solution (By Examveda Team)

An alluvial fan forms where a stream flows out of a mountainous area onto a plain, losing energy and depositing coarse sediments in a fan shape.

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