About: http://webisa.webdatacommons.org/188025532

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	Moreover, oxygen is a substance that supports combustion and therefore should be used in lower levels to avoid a flammable environment and yet be used in a large enough quantity to avoid hypoxia.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com