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A) Carbon-di-oxide / कार्बन-डाई-ऑक्साइड
B) Chlorofluorocarbon / क्लोरोफ्लोरोकार्बन
C) Nitrous oxide / नाइट्रस ऑक्साइड
D) Methane / मीथेन
Correct Answer: A
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