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← GeographyWhich effect accelerates coastal erosion when sustained offshore winds induce upwelling?
A)Reduced sediment replenishment to beaches✓
B)Increased seawater temperature fluctuations
C)Elevated dissolved oxygen concentration
D)Decreased marine organism biodiversity
💡 Explanation
When offshore winds cause upwelling, sediment transport patterns are disrupted because nearshore currents shift seaward removing sand, leading to reduced sediment replenishment to beaches. Therefore accelerated coastal erosion results, rather than temperature flux, increases in oxygen, or changes in biodiversity which have different mechanisms.
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