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Brelou Brelou
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7 years ago
Sound vibrations with frequencies greater than 20,000 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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Quantum physics thus reveals a basic oneness of the universe.
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longhairlonghair
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Brelou Author
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7 years ago
this is exactly what I needed
zbmallo3
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
jayfo05
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2 hours ago
This helped my grade so much Perfect
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