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← GeographyWhich outcome increases when glacial meltwater overcharges proglacial alluvial fans?
A)Increased downstream sediment aggradation✓
B)Decreased groundwater recharge rates
C)Greater slope stability upslope
D)Enhanced floodplain biodiversity growth
💡 Explanation
Increased meltwater enhances sediment transport causing increased downstream sediment aggradation, because the stream's capacity exceeds the original channel; therefore aggradation occurs, rather than stabilization or biodiversity growth further upslope or downstream relating to normal channel behavior.
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