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← GeographyWhich outcome results when freeze-thaw weathering weakens rocks?
A)Increased sediment transport rates downstream✓
B)Decreased dissolved ion concentration in runoff
C)Enhanced chemical weathering from lowered porosity
D)Reduced topsoil formation where bioturbation declines
💡 Explanation
Increased sediment transport occurs because freeze-thaw weathering increases fracturing and produces smaller rock fragments; therefore sediment can be entrained more easily for transport, rather than remaining as larger, more stable rock outcrops.
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