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← GeographyWhich outcome increases when glacial retreat deposits loess?
A)Soil acidity increases downstream rapidly
B)Sediment delivery ratio increases sharply✓
C)Surface albedo decreases gradually inland
D)Groundwater infiltration rate slows marginally
💡 Explanation
Sediment delivery ratio increases because glacial retreat releases fine loess particles into river systems; this entrainment increases downstream sediment transport due to fluvial entrainment, therefore the sediment ratio rises, rather than reducing surface albedo.
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