6. What are the sound waves that has a frequency below 20 000 Hertz (Hz)?
A. Ultrasonic waves
B. Intersonic waves
C. Intrasonic waves
D. Infrasonic waves
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6. What are the sound waves that has a frequency below 20 000 Hertz (Hz)?
A. Ultrasonic waves
B. Intersonic waves
C. Intrasonic waves
D. Infrasonic waves
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Answer:
SAGOT: A. ULTRASONIC WAVES
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Explanation:
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Answer:
a.Ultrasonic waves
Explanation:
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