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Geography

Which outcome occurs as stream channel sinuosity increases?

A)Oxbow lake formation accelerates downstream
B)Alluvial terraces stabilize channel morphology
C)Stream gradient increases proportionally upstream
D)The floodplain develops greater cohesion

💡 Explanation

Increased sinuosity intensifies bank erosion and neck cutoff via meander migration; therefore, oxbow lake formation accelerates because the avulsion process is promoted by neck erosion rather than gradual sediment deposition in the main channel.

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