About: http://webisa.webdatacommons.org/377798660

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	Johnson said gases such as carbon dioxide occur naturally and tend to migrate to low areas.
http://www.w3.org/ns/prov#wasQuotedFrom	cosafety.org