About: http://webisa.webdatacommons.org/9670553

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	Some of the gases occur naturally in the atmosphere while others result from the burning of fossil fuels such as coal.
http://www.w3.org/ns/prov#wasQuotedFrom	dailystandard.com