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← GeographyWhich mechanism increases the lifespan of resilient sea stacks?
A)Wave diffraction around stack base✓
B)Increased salinity around sediment plumes
C)Eustatic sea level positive changes
D)Decreased CO2 concentrating in outflow
💡 Explanation
Wave diffraction focuses energy away from the stack's base, decreasing erosion because it alters the wave's direction, minimizing direct impact. Therefore, the stack erodes slower rather than succumbing to direct wave action or sea-level rise.
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