PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ???greenhouse effect??? works because atmospheric gases such as water vapor, carbon dioxide, nitrous oxide, and methane are good absorbers of infrared radiation but poor absorbers of visible radiation.
http://www.w3.org/ns/prov#wasQuotedFrom
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