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← GeographyWhich process accelerates the creation of loess deposits where glaciers retreated, because permafrost thawing enhances bioturbation?
A)Increased aeolian sediment transport rate✓
B)Decreased chemical weathering intensity
C)Enhanced volcanic ash distribution
D)Reduced fluvial sediment deposition
💡 Explanation
Increased aeolian sediment transport rate occurs because permafrost thaw allows plant roots and burrowing animals to destabilize previously frozen soil–bioturbation; therefore wind erosion is enhanced, creating loess, rather than weathering or changes to volcanic activity.
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