Which of the following pollutants, if present in atmosphere is detecta – McqOptions

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1.	Which of the following pollutants, if present in atmosphere is detectable by its odour?
A.	CO
B.	SO‚Äö√á√á
C.	NO‚Äö√á√á
D.	CO‚Äö√á√á
Answer» C. NO‚Äö√á√á

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