PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The air of our planet is 78% nitrogen and just under 21% oxygen; the small amount remaining is composed of carbon dioxide and other gasses.
http://www.w3.org/ns/prov#wasQuotedFrom
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