About: http://webisa.webdatacommons.org/48577394

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Carbon dioxide is a real gas: it has mass, volume, weight under gravity ??? it is under gravity heavier than the gas air which is our atmosphere, which is around 98% nitrogen and oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com