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← GeographyWhich mechanism inhibits alluvial terrace formation during rapid tectonic uplift?
A)Increased sediment deposition volume✓
B)Enhanced channel incision rates
C)Decreased sediment transport efficiency
D)Stabilized floodplain morphology
💡 Explanation
Increased sediment deposition volume overwhelms the river's capacity for downcutting, limiting channel incision, because aggradation dominates through sediment deposition, therefore, the river builds up rather than erodes the landscape, rather than forming terraces.
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