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← GeographyWhich outcome occurs when a barrier island's sediment budget shrinks?
A)Accelerated mainland erosion rates increase✓
B)Increased offshore hydrocarbon deposit formation
C)Enhanced freshwater lens persistence inland
D)Decreased marine biodiversity nearshore islands
💡 Explanation
Accelerated mainland erosion rates increase because reduced sediment supply weakens the island's capacity; therefore storm surge increases inland, rather than marine changes occurring due to sediment transport decline, via overwash.
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