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← GeographyWhich outcome results when wave energy focuses along headlands of an island?
A)Differential erosion forms sea stacks✓
B)Decreased sediment deposition mid-bay
C)Landward migration dune stabilization occurs
D)Reduced longshore drift approaching the coast
💡 Explanation
Differential erosion forms sea stacks because wave refraction concentrates energy on exposed headlands; hydraulic action and abrasion accelerate erosion there, rather than in sheltered bays. This process carves stacks rather than stabilizing dunes or reducing transport.
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