About: http://webisa.webdatacommons.org/137039092

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	In the present: ground level ozone comes from chemicals including volatile organic compounds that react to sunlight.
http://www.w3.org/ns/prov#wasQuotedFrom	scpr.org