PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Atmospheric absorption of LW radiation by water vapor, clouds, CO2, and other trace gases produces a greenhouse effect that keeps the surface temperature of Earth about 33 ??C warmer than it otherwise would be without the atmospheric greenhouse absorbers.
http://www.w3.org/ns/prov#wasQuotedFrom
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