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    Question

    The gradual increase in the concentration of nutrients

    in an aging  aquatic ecosystem such  as  a lake is called ____
    A Water pollution Correct Answer Incorrect Answer
    B Eutrophication Correct Answer Incorrect Answer
    C Biopiracy Correct Answer Incorrect Answer
    D Biosystematics Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    Eutrophication is the natural aging of a lake by biological enrichment of its water.

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