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← GeographyWhich mechanism causes meandering stream formation across flat plains undergoing regional uplift?
A)Differential weathering increasing sinuosity
B)Sediment deposition reinforcing flow deflection✓
C)Vegetation stabilization decreasing channel slope
D)Oxbow lake formation accelerating bypass
💡 Explanation
When plains undergo regional uplift, streams erode vertically but also laterally; sediment deposition occurs because flow is deflected by minor irregularities, reinforcing meander bends and increasing sinuosity. Therefore, deposition reinforces deflection, rather than weathering, vegetation or oxbow formation, which don't relate to bend propagation.
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