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← GeographyWhich outcome results from increased freeze-thaw cycles on alpine sandstone?
A)Accelerated scree slope formation✓
B)Reduced chemical weathering rates
C)Decreased soil organic matter
D)Stabilized permafrost depth
💡 Explanation
Accelerated scree slope formation occurs because **frost wedging** mechanically breaks down the rock. Water expands upon freezing, exerting pressure that fractures the sandstone. Therefore, weathering increases scree accumulation rather than stabilizing soil, which requires other processes.
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