Explanation:
For example, when you flick the rim of a glass, the glass will vibrate imperceptibly. These vibrations move through the air and strike the ear drum of anyone within hearing range (click here to find out 'How Our Ears Hear').
Answer:
when you flick the rim of a glass, the glass will vibrate imperceptibly. These vibrations move through the air and strike the ear drum of anyone within hearing range. In fact, these vibrations, or sound waves, can move through any medium: gas, liquid or solid.
Explanation:
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