About: http://webisa.webdatacommons.org/153074724

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	t 50% by volume water vapor, and between about 40% and about 55% by volume non-condensables, including oxygen, nitrogen, carbon monoxide and carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com