Question
Alluvial fans develop when
Answer: Option B
Answer: (b)
Alluvial fans are fan-shaped deposits of water transported material (alluvium). They typically form at the base of topographic features where there is a marked break in slope.
Consequently, alluvial fans tend to be coarse-grained, especially in their mouths. At their edges, however, they can be relatively fine-grained.
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Answer: (b)
Alluvial fans are fan-shaped deposits of water transported material (alluvium). They typically form at the base of topographic features where there is a marked break in slope.
Consequently, alluvial fans tend to be coarse-grained, especially in their mouths. At their edges, however, they can be relatively fine-grained.
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