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In anoxic marine basins, which consequence results from inhibited thermohaline circulation?

A)Increased hydrogen sulfide production
B)Raised oxygen concentration in sediments
C)Higher benthic biodiversity levels
D)Decreased methane oxidation rates

💡 Explanation

Inhibited thermohaline circulation reduces oxygen supply to the basin floor; therefore, sulfate reduction dominates because the lack of oxygen allows anaerobic bacteria to thrive, rather than aerobic organisms facilitating methane oxidation.

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