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← GeographyWith constant wind shear, which outcome destabilizes parabolic dune formations?
A)Vegetation establishment on trailing arms✓
B)Decreased sand supply downdrift
C)Cementation from moisture evaporation
D)Lithification into sedimentary sandstone
💡 Explanation
Anchoring by vegetation promotes stabilization because root systems bind sand, therefore inhibiting dune migration; rather than resulting in decreased supply or lithification. Increased vegetation cover disrupts Aeolian Saltation, locally halting sand transport.
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