What is eutrophication?

MCQ. What is eutrophication?

(a) Process by which organisms concentrate certain chemical substances to levels above those found in their natural environment

(b) Excessive growth of algae in nutrient-rich waters leading to reduced oxygen levels and the death of many organisms

(c) The ability of organisms in a food chain to convert energy received into living matter

(d) Population explosion of a species in an ecosystem due to the removal of their predators

Answer: (b) Excessive growth of algae in nutrient-rich waters leading to reduced oxygen levels and the death of many organisms

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