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Geography

Which risk increases due to the effect of increased glacial sediment runoff into fjords?

A)Reduced deep-water mixing
B)Increased thermohaline convection
C)Enhanced nutrient availability
D)Accelerated carbonate sedimentation

💡 Explanation

Reduced deep-water mixing occurs because increased sediment load raises water density, strengthening stratification, and inhibiting thermohaline overturn. This density stratification effect inhibits mixing, rather than convection due to salinity changes or aiding biogenic sedimentation.

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