About: http://webisa.webdatacommons.org/94096934

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	The Centers for Disease Control and Prevention stated that sulfur dioxide in the air comes primarily from activities associated with the burning of fossil fuels such as coal and oil at power plants or from copper smelting.
http://www.w3.org/ns/prov#wasQuotedFrom	freshairpro.com