मोटर वाहनों से निकलने वाली – McqOptions

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1.	मोटर वाहनों से निकलने वाली निम्नलिखित में से कौन -सी एक मुख्य प्रदूषक गैस है -
A.	CO2
B.	CO
C.	मार्श गैस
D.	नाइट्रोजन आक्साइड
Answer» C. मार्श गैस

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