PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There is evidence I have seen (not going to look it up lol too lazy) that suggests there was a lot of vulcaism going on, thereby continually pumping CO2, methane and other gases into the atmosphere, thereby creating a strong greenhouse effect.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org