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← GeographyWhich outcome occurs when tectonic uplift limits fluvial downcutting alluvial valleys?
A)Increased lateral channel migration
B)Entrenched meanders develop rapidly✓
C)Braided stream formation declines
D)Decreased floodplain sediment deposition
💡 Explanation
Entrenched meanders form because the river downcuts rapidly through the uplifted alluvial valley floor using channel incision. Because downcutting occurs, rather than lateral erosion, steep-sided canyons are created, rather than broad floodplains from meander evolution.
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