About: http://webisa.webdatacommons.org/224885461

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	The gas may be carbon dioxide, or a combination of gases such as air or other gases.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com