Composition of Air
Earth's atmosphere is made up of many different gases. The reference table below lists the percent composition of each type of gas in the atmosphere.
| GAS | VALUE |
| Nitrogen | 78.084 % |
| Oxygen | 20.9476 % |
| Argon | 0.934 % |
| Carbon Dioxide | 0.0314 % |
| Neon | 0.001818 % |
| Methane | 0.0002 % |
| Helium | 0.000524 % |
| Krypton | 0.000114 % |
| Hydrogen | 0.00005 % |
| Xenon | 0.0000087 % |
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| Mean | 05/17/11 |
| Standard Deviation | 05/17/11 |
| Illumination | 05/17/11 |
| Speed Of Sound In Air | 05/17/11 |
| Average Speed | 05/16/11 |
| Greatest Common Factor | 05/16/11 |
| Two Point Loads On A Cantil... | 04/13/11 |