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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	Biogenic sources such as pine trees and certain other trees are also a source, though of relatively minor importance, of reactive hydrocarbon emissions such as isoprene and ??-pinene.
http://www.w3.org/ns/prov#wasQuotedFrom	citizendium.org