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← GeographyWhich outcome is accelerated on slopes with high permafrost content when experiencing thawing?
A)Solifluction lobe formation rate✓
B)Glacial ice ablation zone expansion
C)Eolian loess sediment accumulation
D)Chemical weathering induced karstification
💡 Explanation
When permafrost thaws, the active layer above becomes saturated and loses cohesion because the underlying frozen ground restricts drainage, causing solifluction. Therefore, the rate of solifluction lobe formation increases, rather than ablation, loess accumulation, or karstification which are related to different environmental processes.
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