About: http://webisa.webdatacommons.org/135281750

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	That is true Roger, but my point is that the virtue of a gas being a trace gas in itself is not a good indicator of whether it is harmless or not, or whether it can have an impact much larger than its quantity would suggest.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com