Daily MCQs

Which of the following is not an air pollutant?

Please select one of the options to reveal the correct answer.

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What is the harmonic mean of 4 and 6? Which village of Nalbari district is also mentioned in Kautilya’s Arthashastra for producing silk? What was the ancient name of Cachar? In the human body, nails are made up of ______. Which one of the following is not normally a pollutant?