WB JEE Medical WB JEE Medical Solved Paper-2012

  • question_answer
    For a clean environment, which one of the following is not essential?

    A)  Producer,        

    B)  Consumer

    C)  Decomposer      

    D)  Polluter

    Correct Answer: D

    Solution :

     Pollution is any undesirable change in the physical, chemical or biological characteristics of the environment that has the potentiality  to harm human life, useful resources and assets. Substances, chemical or factors causing pollution are called pollutants.


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