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← GeographyWhich consequence results when a meander cutoff occurs, altering stream flow?
A)Oxbow lake formation on floodplain✓
B)Increased stream velocity lowers erosion
C)Brackish water wedge into estuaries
D)Decreased floodplain biodiversity develops biome
💡 Explanation
A meander cutoff results in an oxbow lake via channel avulsion, because the stream takes a shorter, steeper path across the floodplain; therefore deposition occurs at the meander bends of the old channel rather than continued flow sustaining the curve.
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