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Geography

Which outcome occurs when thawing overburden destabilizes Arctic slopes?

A)Increased solifluction rate
B)Accelerated stream incision
C)Enhanced chemical weathering
D)Reduced sediment transport

💡 Explanation

Increased solifluction results, because permafrost thaw causes a decrease in soil shear strength and increases moisture content, therefore increasing downslope movement rates rather than stabilizing sediments; the driving mechanism is reduction in shear strength.

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