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← GeographyWhich 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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