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| View Original: | Atmosphere Composition Hand Mnemonic.png (1170x1950) | |||
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| Keywords: Atmosphere Composition Hand Mnemonic.png mnemonic for teaching students that by volume the Earth's atmosphere is composed basically of 4 parts nitrogen and 1 part oxygen The more precise composition for dry atmosphere is 78 1 nitrogen 20 9 oxygen with the other 1 being mostly argon depicted in blue along with carbon dioxide and other trace elements purple Not depicted is another important component of the atmosphere water vapor H2O and its proportion varies considerably though it averages roughly 1 in the troposphere <br><br> With each of the five fingers representing roughly 20 and the finger tips roughly 1 the nitrogen can be seen as 80 minus ~2 78 1 The oxygen is 20 plus ~1 20 9 The argon is ~1 Carbon dioxide and the other trace gases are a small fraction of 1 A table of the exact composition is listed here And a pie chart representation is also available <br><br> 120px File Atmosphere gas proportions svg<br><br>File Atmosphere gas proportions svg<br><br> 2012-12-22 04 33 26 Red hand of Ulster svg Tdadamemd cc-zero Earth's atmosphere Hand mnemonic Uploaded with UploadWizard English text | ||||
