About: http://webisa.webdatacommons.org/311072810

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 air is the medium, and sound is a wave which travels through that medium.
http://www.w3.org/ns/prov#wasQuotedFrom	amasci.com