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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	Sign in to explore more, including practice questions and solutions for Matter, Mass, and Volume.
http://www.w3.org/ns/prov#wasQuotedFrom	ck12.org