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← GeographyWhich risk increases when flood control measures disrupt glacial outwash plains?
A)Decreased soil organic matter content
B)Increased risk of expansive soil
C)Greater airborne loess deposition rates✓
D)Enhanced carbon sequestration rates
💡 Explanation
Increased airborne loess deposition rates becomes a risk because preventing regular flooding reduces sediment deposition; therefore, existing loess deposits become more vulnerable to wind erosion via deflation, rather than being replenished during flood events.
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