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Geography

Which outcome increases thermal stratification during upwelling events?

A)Increased freshwater influx near surface
B)Consistent deep water salinity levels
C)Uniform surface water cooling rates
D)Extensive vertical mixing from tides

💡 Explanation

The addition of freshwater through melting ice caps lowers surface waters' density causing increased stratification via decreased temperature mixing, rather than consistent salinity. Increased freshwater influx caps the water because density gradients intensify, therefore inhibiting mixing.

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