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← GeographyWhich outcome occurs when wave-cut platforms erode rapidly?
A)Increased isostatic rebound rates
B)Formation of offshore barrier islands✓
C)Elevated hydrothermal vent activity
D)Accelerated chemical weathering of rock
💡 Explanation
Barrier island formation increases with platform erosion because sediment supply exceeds removal via the **sediment budget**. Wave action and longshore currents redistribute material. Therefore, barrier islands form, rather than cliffs retreating due to stable erosion rates.
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