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Which effect primarily inhibits nutrient mixing in a meromictic lake's water column?

A)Thermocline induced density stratification
B)Coriolis effect on surface currents
C)Chemical precipitation of limiting nutrients
D)Bacterial consumption within the hypolimnion

💡 Explanation

When a lake is meromictic, a chemocline and strong thermocline limit mixing because density stratification prevents wind-induced turbulence from reaching lower layers, thus inhibiting nutrient transfer. Therefore stratification inhibits mixing, rather than Coriolis, precipitation, or consumption, each facilitated by different conditions.

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