Which of the following statements is correct?

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(C) Biomagnification is defined as the increase in the concentration of a toxicant at successive trophic levels.$A$ large amount of nutrients in water

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Biomagnification refers to the increase in the concentration of the toxicant at successive trophic levels.

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(C) Biomagnification is defined as the increase in the concentration of a toxicant at successive trophic levels.$A$ large amount of nutrients in water promotes the growth of algal blooms,which leads to oxygen depletion and increases fish mortality.Eutrophication is the natural aging of a lake by nutrient enrichment of its water.

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