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Air

2 bytes removed, 17:55, 20 April 2019
→‎Beyond the Curriculum
: The main [[gas]]es are; [[Nitrogen]] (78%), [[Oxygen]] (21%), [[Argon]] (1%), [[Carbon Dioxide]] (0.04%) and [[Water Vapour]] (% varies).
==Beyond the Curriculum=Extra Information===
{{#ev:youtube|https://www.youtube.com/watch?v=VDf00z8sMFw}}
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