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← GeographyWhich outcome typically occurs when hydraulic sorting decreases drastically upstream of a glacial lake?
A)Increased delta sediment size✓
B)Formation of varved lake sediments
C)Decreased floodplain meander growth
D)Greater turbidity current frequency
💡 Explanation
Increased delta sediment size occurs when hydraulic sorting diminishes because larger particles are then deposited closer to the lake's inlet due to reduced carrying capacity; therefore, coarser sediment deposition occurs, rather than finer sediment accumulating further into the lake.
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