PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One percent of gases refer to the rest that are not nitrogen and oxygen (99%) These are not all greenhouse gases and water vapor the largest percentage in the atmosphere of any greenhouse gas is not included here.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wattsupwiththat.com