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← GeographyWhich outcome develops as Lateral Erosion narrows an oxbow lake neck to the point of breaching during floods?
A)Formation of a cutoff meander✓
B)Deposition of graded river terraces
C)Increased stream competence downstream
D)Development of increased surface tension
💡 Explanation
A cutoff meander forms because lateral erosion reduces the neck's width until a flood breaches it, thus altering the river’s course through avulsion; therefore, the river takes the shorter, steeper path rather than the longer meander loop.
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