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← GeographyWhich 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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