Assertion: carbon dioxide | /r/HasProperty | only 0.04%
Facets:
value: by volume
type: OTHER
value: currently
type: TEMPORAL
Source sentences:
text: CO2 is only 0.04%, so it wouldn't matter much if you did CO2/not-CO2 William M. Connolley (talk) 18:58, 17 March 2008 (UTC)
text: Carbon dioxide (0.04%), nitrous oxide, methane and ozone are trace gases that account for almost one tenth of 1% of Earth's atmosphere and have an appreciable greenhouse effect.
text: Oxygen is the most abundant, 21% by volume, but without carbon dioxide, which is currently only about 0.04 percent (400ppm) by volume, both the oxygen itself, and most living organisms on earth could not exist at all.