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← GeographyWhich mass wasting outcome accelerates from freeze-thaw weathering?
A)Increased frequency of rockfalls✓
B)Decreased stream sediment load
C)Stabilization of colluvial deposits
D)Reduced soil creep velocity
💡 Explanation
An increase in rockfalls occurs when freeze-thaw weathering expands cracks in rocks via ice wedging, weakening them. Therefore, rockfalls increase because the mechanical stress exceeds rock strength, rather than slope stabilizing or sediment load decreasing.
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