Difference between revisions of "Material/Constituent elements of air"
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| − | Approximate composition of dry atmosphere by volume: | + | Approximate composition of dry atmosphere by volume: |
[[Image:Cloudy blue sky.jpg|right|140px|Sky]] | [[Image:Cloudy blue sky.jpg|right|140px|Sky]] | ||
Revision as of 23:37, 3 October 2006
Approximate composition of dry atmosphere by volume:
| Element | % vol |
|---|---|
| Nitrogen | 78.08 |
| Oxygen | 20.95 |
| Argon | 0.93 |
| Carbon | < 0.01 |
| Others | trace |
Not included in above dry atmosphere: | |
| Water vapour (variable) | ~1% |
Source: NASA
Carbon dioxide updated (to 1998) by IPCC TAR table 6.1 [1]. Figure for carbon extrapolated from this
Edited text from [2]
