About: http://webisa.webdatacommons.org/198570596

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 contains primarily methane and ethane, with some propane and butane: oil is a mixture of liquid alkanes and other hydrocarbons.
http://www.w3.org/ns/prov#wasQuotedFrom	newworldencyclopedia.org