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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	If air is mainly a mixture of nitrogen and oxygen, with small amounts of other gases such as argon and carbon dioxide, what property could you use to separate the gases in air?
http://www.w3.org/ns/prov#wasQuotedFrom	answerparty.com