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, in that it floats into the higher atmosphere and acts like the glass in a greenhouse, trapping heat from the sun.
http://www.w3.org/ns/prov#wasQuotedFrom
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