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← GeographyWhich outcome results from river channel avulsion promoting oxbow formation?
A)Increased floodplain sediment deposition.✓
B)Reduced riverine habitat diversity.
C)Diminished aquifer recharge rates.
D)Enhanced coastal delta progradation.
💡 Explanation
Avulsion causes the river to abandon its old channel and create a new, shorter path; this increases sediment deposition on the floodplain because of the change in flow path, therefore leading to increased deposition, rather than reduced habitat diversity.
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