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Top 10 Main Components of Air

COMPONENT	PERCENTAGE BY VOLUME
1. Nitrogen	78.03
2. Oxygen	20.96
3. Argon	0.93
4. Carbon Dioxide	0.03
5. Neon	0.0018
6. Helium	0.0005
7. Methane	0.0002
8. Krypton	0.0001
9. Nitrous Oxide	0.00005
10. Xenon	0.0000087