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← GeographyWhich outcome results downstream when glaciers accelerate surge flow?
A)Increased proglacial lake outburst floods✓
B)Reduced sediment deposition on floodplain
C)Decreased permafrost thaw stability
D)Elevated cryoconite hole formation rates
💡 Explanation
Increased glacial surge flow causes destabilization enhancing proglacial lake expansion leading to outburst floods, because the rapid melt increases water volume; therefore, enhanced flooding occurs, rather than changes in sediment, permafrost thawing, or cryoconite activity elsewhere.
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