PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While the early atmosphere simulated by Miller and Urey consisted of methane, ammonia, hydrogen and heated de-ionized water, subjected to electric sparks, Origins of Life: Experiment #1.4 now also integrates currently existing gases such as nitrogen, oxygen and carbon dioxide to drive the reactions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • beacon-center.org