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Which outcome occurs when intense rainfall erodes mountain slopes feeding an alluvial fan?

A)Increased sediment deposition on the fan
B)Decreased channel avulsion frequency
C)Reduced downstream channel sinuosity
D)Enhanced floodplain soil formation rates

💡 Explanation

Increased sediment deposition results; increased rainfall causes greater erosion, a larger sediment load, and increased Deposition. This leads to more rapid sedimentation at the alluvial fan base, rather than altered channel patterns, because of gravity pulling unsorted deposition.

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