About: http://webisa.webdatacommons.org/276162609

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	While mercury is produced naturally by volcanoes and forest fires, global mercury production have increased hugely because of human activities such as coal burning and artisanal gold extraction.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org