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โ† Geography

Which outcome accelerates soil erosion in Arctic regions undergoing permafrost thaw?

A)Increased wildfire frequency
B)Enhanced solifluction processesโœ“
C)Accelerated chemical weathering
D)Reduced snow cover duration

๐Ÿ’ก Explanation

When permafrost thaws, the active layer above becomes saturated, reducing soil shear strength, which leads to solifluction โ€“ the slow downslope flow of soil as a viscous mass. Therefore, enhanced solifluction amplifies soil erosion rather than changes in fire, chemical weathering, or snow cover affecting erosion to the same extent.

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