About: http://webisa.webdatacommons.org/149557406

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	Earth's molten outer core and solid inner core are made mostly of iron, with a touch of nickel.
http://www.w3.org/ns/prov#wasQuotedFrom	newscientist.com