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← GeographyWhich outcome occurs when a coastal barrier island's vegetation thins?
A)Increased shoreline erosion rates increase✓
B)Freshwater lens volume beneath increases
C)Island elevation relative to sea increases
D)Lagoon salinity level decreases slightly
💡 Explanation
Increased waves remove unstable island sediments because vegetation normally stabilizes the sand using root systems through biostabilization, therefore the shoreline erodes faster, rather than fresher groundwater being supplied, or lagoon salinity decreasing.
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