Answers

2014-09-18T23:31:16+05:30
Sulphur dioxide, carbon dioxide, nitrogen, methane etc.
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  • Brainly User
2014-09-19T13:59:48+05:30
METHANE ,HYDROGEN , HYDROGEN SULPHIDE , NITROGEN ARE SOME POLLUTANTS .
                                          PLZ MARK IT BEST

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