Which of the following is secondary air pollutant ?

1.	Which of the following is secondary air pollutant ?
Answer» <html><body><p> SO<sub>2</sub></p><br/><br/><p>SO<sub>2</sub> is <a href="https://interviewquestions.tuteehub.com/tag/secondary-638692" style="font-weight:bold;" target="_blank" title="Click to know more about SECONDARY">SECONDARY</a> <a href="https://interviewquestions.tuteehub.com/tag/air-852233" style="font-weight:bold;" target="_blank" title="Click to know more about AIR">AIR</a> <a href="https://interviewquestions.tuteehub.com/tag/pollutant-1158344" style="font-weight:bold;" target="_blank" title="Click to know more about POLLUTANT">POLLUTANT</a>.</p></body></html>

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