About: http://webisa.webdatacommons.org/337438959

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	Petrochemicals are derived from oil, gas or coal, and from renewable sources such as corn or sugar cane.
http://www.w3.org/ns/prov#wasQuotedFrom	processingmagazine.com