PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Water vapor is responsible for about 50-60% of the greenhouse effect, but there is not much we humans can do about it since you have the ocean constantly able to refresh the water vapor in the air.The 2nd and 3rd biggest greenhouse gasses are CO2 and CH4.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slashdot.org