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← GeographyWhich phenomenon contributes to coastal reef erosion when sediment increases?
A)Light attenuation inhibits zooxanthellae development✓
B)Increased pH accelerates carbonate dissolution
C)Elevated wave action transports reef material
D)Hypoxia reduces coral metabolic activity
💡 Explanation
Increased sediment erodes reefs because light attenuation limits photosynthesis in zooxanthellae by shielding the corals from sunlight, therefore impairing coral growth and structural integrity rather than directly dissolving carbonate or solely from augmented wave mechanics alone.
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