PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This has created a special atmospheric, physio-chemical, circumstance by which the usual tropospheric concentrations, and lifetimes, of carbon monoxide, methane, and other hydrocarbon gases are modified and changed.
http://www.w3.org/ns/prov#wasQuotedFrom
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