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← GeographyWhich outcome occurs when freeze-thaw cycles saturate unconsolidated Arctic soil?
A)Increased downslope soil creep by solifluction✓
B)Accelerated chemical weathering by hydrolysis
C)Reduced albedo by darker mineral exposure
D)Decreased soil permeability affecting infiltration
💡 Explanation
Increased soil moisture from freeze-thaw reduces shear strength. Gelifluction subsequently increases downslope soil creep, because saturated soil flows over permafrost, therefore solifluction accelerates creep, rather than weathering, albedo change, or overall permeability reduction.
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