Multiple Choice
How is an alluvial fan formed?
A) a stream erodes down through older terraces and entrenched meanders
B) sediment is deposited by debris flows and streams that decrease in velocity along the mountain front
C) a landslide blocks the stream, causing sediment to accumulate upstream
D) a dam increases the speed of currents below the dam
Correct Answer:
Verified
Correct Answer:
Verified
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