PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • greenhouse effect - water vapour, carbon dioxide, methane and other greenhouse gasses in the atmosphere influence the heat ballance of the planet by allowing incoming solar radiation to pass through but restrict passage of reflected or emmitted radiation from the surface - this has the effect of trapping heat within the atmosphere which keeps the Earth's temperature relatively warm
http://www.w3.org/ns/prov#wasQuotedFrom
  • ica.net