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← GeographyWhich process causes increased sediment deposition in a proglacial lake?
A)Glacial isostatic rebound decelerating streams
B)Decreased seasonal meltwater discharge
C)Increased paraglacial sediment supply✓
D)Reduced valley confinement upstream effect
💡 Explanation
Increased paraglacial sediment supply will increase the delta growth because sediment supply overwhelms lake transport capacity when the *sediment budget* increases from newly-deglaciated slopes. Therefore answer C, rather than reduced discharge or channel shifts causing different effects.
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