Environment Previously Asked Questions: Ozone Layer — Flashcards | General Studies For Competitive Examinations | FatSkills

Environment Previously Asked Questions: Ozone Layer — Flashcards

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Consider the following.
1. Rice fields
2. Coal mining
3. Domestic animals
4. Wetlands Which of the above is a source of methane, a major greenhouse gas?
1, 2, 3 and 4
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