About: http://webisa.webdatacommons.org/147235132

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	When the sound bounces off a moving tar??get such as a blood vessel, the pitch changes as a result of the Doppler effect.
http://www.w3.org/ns/prov#wasQuotedFrom	lef.org