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← GeographyWhich consequence results when a breakwater disrupts longshore drift?
A)Increased erosion behind the breakwater✓
B)Reduced sediment deposition seaward
C)Saltwater intrusion into groundwater declines
D)Enhanced tidal flow through breachways
💡 Explanation
Increased erosion happens because the breakwater blocks sediment transport via longshore drift, leading to sediment starvation on the leeward side; therefore erosion increases rather than deposition because sediment supply is cut off.
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