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← GeographyWhich outcome occurs after excessive glacial meltwater percolation?
A)Increased basal sliding and surge✓
B)Formation of extensive alluvial fans
C)Cryoconite holes reduce albedo
D)Eskers enhance sediment deposition rate
💡 Explanation
Increased surface meltwater flows reaching the glacier bed facilitates basal sliding because enhanced lubrication at the ice-bedrock interface reduces friction. Therefore, faster glacial sliding rather than delta sediment changes occurs because of liquid-water-driven dynamics.
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