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Which effect increases when intense offshore trawling reduces seabed bioturbation?

A)Increased oxygen levels near sediment
B)Enhanced nutrient cycling in sediments
C)Stronger marine sediment stratification
D)Decreased suspended particle concentration

💡 Explanation

Stronger stratification will occur because bioturbation ordinarily mixes sediment layers; trawling decreases this mixing. Because mixing is suppressed, clearer layers form, rather than indistinct diffusion due to biological action normally.

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