What are the most common gases in Earth's atmosphere?

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Tags

1. #oxygen
2. #carbon
3. #gases
4. #vapor
5. #common
6. #makes
7. #dioxide
8. #composed
9. #includes
10. #argon
11. #amounts
12. #about
13. #lower
14. #atmosphere
15. #water
16. #mixture
17. #present
18. #other
19. #nitrogen