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← GeographyWhich outcome increases adjacent coastal erosion after a transform boundary earthquake?
A)Increased beach sediment liquefaction✓
B)Enhanced isostatic crustal rebound
C)Elevated sediment deposition rates
D)Reduced longshore current velocity
💡 Explanation
Beach sediment liquefaction increases failure risk because seismic shaking decreases sediment shear strength by momentarily increasing pore water pressure. This sediment fails, therefore increasing downslope movement and vulnerability to coastal erosion rather than remaining stable.
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