PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon dioxide is a greenhouse gas, which means that it traps the heat from the Sun and prevents it from being released back out into space in the form of infrared radiation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ck12.org