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← GeographyWhich feedback results when previously vegetated sand dunes lose their plant cover?
A)Accelerated deflation and dune migration✓
B)Increased soil horizon development rate
C)Enhanced chemical weathering of minerals
D)Deposition stabilization due to decreased wind
💡 Explanation
Accelerated deflation and dune migration occur because removal of vegetation reduces surface cohesion; this creates increased sediment entrainment by aeolian transportation, therefore existing dunes are eroded, rather than stabilized, by the wind.
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