Which of the following Gas do not Considered as Polluting Agent of Air?

  1. CO2
  2. CO
  3. NO2
  4. SO2
Desire Adnan Default Asked on 1st August 2015 in Science.
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1 Answer(s)

Answer: (1) CO2 

Anurag Mishra Professor Answered on 28th March 2016.
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