About: http://webisa.webdatacommons.org/58317782

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	Sulfates, nitrates, and other organics are formed in the atmosphere from gaseous precursors; these are known as secondary particles.
http://www.w3.org/ns/prov#wasQuotedFrom	nap.edu