Question

what is meant by sound
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Answer 1

Explanation:

something that you hear or that can be heard.

Answer 2

Explanation:

1. Vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.
2. The sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium.
3. Mechanical vibrations transmitted through an elastic medium, traveling in air at a speed of approximately 1,087 feet (331 meters) per second at sea level.