What are ultrasonic sound waves used for? (Check all that apply.)
A) Alarm systems
B) j...
Physics, 10.02.2021 01:00 mileto1798
What are ultrasonic sound waves used for? (Check all that apply.)
A) Alarm systems
B) jewelry cleaning
C) SONAR
D) Checking on the development of a fetus. (Fetus =unborn, developing child)
Answers: 1
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