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tankster tankster
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8 years ago
Sound vibrations with frequencies less than 20 Hz are called
A) infrasonics.
B) ultrasonics.
C) supersonics.
D) infrared.
E) megasonics.
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Physics

Physics


Edition: 4th
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longhairlonghair
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tankster Author
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8 years ago
This helped my grade so much Perfect
dearsophia21
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I appreciate what you did here, answered it right Smiling Face with Open Mouth
Jodias
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Correct Slight Smile TY
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