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← GeographyWhich process impacts floodplain island formation downstream when increased river meandering occurs?
A)Progressive sediment deposition downstream✓
B)Accelerated hydraulic sorting upstream
C)Increased bank erosion equally
D)Oxbow lake formation upstream
💡 Explanation
Progressive sediment deposition occurs due to downstream sediment transport via channel migration; this reflects longshore drift mechanism. Continuous deposition allows island building; therefore, deltas form due to sediment accumulation, rather than other processes occurring directly upstream first.
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