PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • HFCs do not exist in nature and have no natural means of removal from the atmosphere, unlike other greenhouse gases such as carbon dioxide, which can be used by plants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • alive.com