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← GeographyWhich outcome occurs when increased sediment supply interacts with wave refraction at a coastal island?
A)Formation of a tombolo feature✓
B)Increased offshore bar migration
C)Accelerated sea stack degradation
D)Enhanced tidal inlet stabilization
💡 Explanation
Wave refraction around an island concentrates wave energy, causing sediment deposition in calmer areas; because of longshore drift, a tombolo, a sandbar connecting the island to the mainland, is formed in the wave shadow, therefore connecting them rather than forming offshore bars.
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