CORRECT-INCORRECT STATEMENT Which of the following are the major particulate pollutants? I. Dust...

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CORRECT-INCORRECT STATEMENT
Which of the following are the major particulate pollutants?
I. Dust
II. Mist
III. Smoke
IV. Fumes
Choose the correct statements.
(1) I and IV
(2) Both III and IV
(3) II, III and IV
(4) I, II, III and IV
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