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← GeographyWhich outcome accelerates when repeated freeze-thaw cycles destabilize Arctic slopes?
A)Enhanced solifluction lobe formation✓
B)Increased esker deposition rates
C)Reduced thermokarst lake expansion
D)Stabilized periglacial landforms
💡 Explanation
Accelerated destabilization leads to enhanced solifluction lobe formation, because the active layer's saturated soil undergoes creep down the slope due to gravity; periglacial mass wasting dominates, therefore increased lobe formation occurs, rather than reduced thermokarst.
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