2006-10-25 22:38:43 · 7 answers · asked by ali.lamyman 1 in Education & Reference ➔ Primary & Secondary Education
Echolocation.Used by blind people who use sound to navigate.
Ultrasound.Used in medical treatments.
Infrasound.Used in monitoring technologies.
2006-10-25 22:53:16 · answer #1 · answered by M M 4 · 0⤊ 0⤋
Well here in the UK I read they are going to use some intense sound for the use of destroying cancers so that's a fantastic thing.
2006-10-25 22:49:07 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Communication.
Whether its a warning, a greeting, a purr, a yawn, a shout, a call, a laugh, a scream, etc
2006-10-25 22:55:40 · answer #3 · answered by Shinny 3 · 0⤊ 0⤋
police sirens are heard when there is a police chase, very useful indeed. you need to get out of the way when you hear those sirens.
2006-10-25 22:42:17 · answer #4 · answered by jivesucka 6 · 0⤊ 0⤋
To alert danger (smoke detector, siren, horn, scream).
2006-10-25 22:41:03 · answer #5 · answered by eightieschic 6 · 0⤊ 0⤋
communication, entertainment etc
2006-10-25 22:43:34 · answer #6 · answered by Anonymous · 0⤊ 0⤋
warning HAAAAAAAY
2006-10-25 22:47:44 · answer #7 · answered by allawishes 4 · 0⤊ 0⤋