About: http://webisa.webdatacommons.org/205153905

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	Natural gas is mostly methane, but it can also contain up to about 25 mole % ethane, propane, butane and higher hydrocar
http://www.w3.org/ns/prov#wasQuotedFrom	google.com