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what is SONAR
a high frequency ultrsonuc waves are used in a system called Sound Navigation, And Ranging
what are some animals that use echolocation
bats, dolphines, porpoisies, whale
what is echolocation
sound wave that determine distance or to locate objects
what can ultrasonic cleaning be use for
to clean delicate objects like jewelr, computer equipment, ect.
what can ultrasound be use for in medicine
to watch developing fetus