12th Class English Solved Paper - English - 2013 Outside Delhi Set-I

  • question_answer
    (ii)      In what forms are the air pollutants present?

    Answer:

    Air pollutants are present in gaseous form such as carbon monoxide, carbon dioxide, ozone and oxides of sulphur and nitrogen. The pollutants are also in the form of dust of various inorganic or organic origins.


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