About: http://webisa.webdatacommons.org/200749801

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	The pollen from grasses, trees and other plants drifting through the air reacts chemically with diluted sulfuric or hydrochloric acid.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org