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← GeographyWhich long-term outcome follows persistent coastal refraction around a carbonate island?
A)Development of a central lagoon✓
B)Increased volcanic activity onshore
C)Localized sea-level rise
D)Glacial isostatic rebound acceleration
💡 Explanation
Wave energy focuses on island sides where wave refraction occurs. This focusing promotes sediment erosion along the outer coast, favoring sediment deposition in the lee side due to reduced energy, resulting in lagoon formation rather than uplift; therefore a lagoon forms.
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