About: http://webisa.webdatacommons.org/455319668

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	Smog is created when emissions from cars, power and chemical plants, refineries and other factories mix in sunlight and heat.
http://www.w3.org/ns/prov#wasQuotedFrom	tuscaloosanews.com