About: http://webisa.webdatacommons.org/272136170

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	When the environment is a constant without changes in temperature, pressure, or humidity, the mass of air in a given volume of space will remain stable.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com