About: http://webisa.webdatacommons.org/168410877

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	Nitrogen dioxide is a gas with a yellowish orange to reddish brown appearance, depending on its concentration, which impairs the respiratory system.
http://www.w3.org/ns/prov#wasQuotedFrom	azlibrary.gov