About: http://webisa.webdatacommons.org/429583909

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	Nitrous oxide is an atmospheric gas also produced by life, but is difficult to detect.
http://www.w3.org/ns/prov#wasQuotedFrom	mit.edu