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← GeographyWhich outcome results when reduced sediment transport causes longshore drift along a barrier island system?
A)Increased submerged aquatic vegetation growth
B)Increased island overwash vulnerability✓
C)Formation of widespread deep-water coral
D)Stabilization of back-barrier salt marshes
💡 Explanation
Increased island overwash vulnerability will result because with reduced sediment, deposition decreases and the existing island erodes during storms due to wave action. Therefore, islands become lower and narrower, rather than higher and wider, and more susceptible.
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