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← GeographyWhich outcome occurs when wave refraction concentrates energy?
A)Sea stack formation accelerates locally✓
B)Lagoon salinity decreases significantly
C)Barrier island migration halts abruptly
D)Atoll subsidence rate decreases yearly
💡 Explanation
Sea stack formation occurs because wave refraction focuses wave energy on headlands, accelerating coastal erosion via hydraulic action rather than uniform erosion. Therefore, sea stacks form faster near these locations, rather than barrier islands stabilizing or lagoons changing.
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