About: http://webisa.webdatacommons.org/276924978

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 Earth is mostly composed of stuff you can stub your toe against -- silicon, iron, and other heavy elements.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencemusings.com