About: http://webisa.webdatacommons.org/157105379

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	Alternatively, the atmosphere may be mixture of oxygen and other inert gases such as nitrogen and argon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk