"ENVO"^^ . . _:b1217487 . "The mixture of gases (roughly (by molar content/volume: 78% nitrogen, 20.95% oxygen, 0.93% argon, 0.038% carbon dioxide, trace amounts of other gases, and a variable amount (average around 1%) of water vapor) that surrounds the planet Earth."^^ . "SWEETRealm:Air"^^ . _:b1217487 . "EcoLexicon:air"^^ . . "Wikipedia:Air"^^ . _:b1217487 . . "air"^^ . "ENVO:00002005"^^ . _:b1217487 . .