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← GeographyWhich mechanism causes meandering stream morphology enhancement when vegetation is disrupted along riverbanks?
A)Reduced bank cohesion increases erosion✓
B)Increased runoff from surface compaction
C)Enhanced sediment deposition impedes flow
D)Concentrated nutrient flow accelerates decay
💡 Explanation
When vegetation is disrupted, reduced bank cohesion weakens the soil matrix, increasing susceptibility to erosion from hydraulic forces. Therefore, bank erosion accelerates and enhances meandering stream morphology, rather than promoting compaction, impeding flow or accelerating decay which require different environmental properties.
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