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← GeographyWhich outcome occurs following crust formation on dunes?
A)Increased wind erosion elsewhere upstream✓
B)Decreased fluvial sediment deposition
C)Reduced sand supply to vegetation
D)Stabilized dune migration speed
💡 Explanation
Crust formation, often by mineral cementation or biological activity, reduces the Surface creep. Because the immediate area is stabilized, wind energy concentrates on less-protected upwind surfaces, therefore increasing overall erosion there rather than causing fluvial effects elsewhere.
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