Question

what is vibration and sound​

Answer 1

Explanation:

Sound is a type of energy made by vibrations. When an object vibrates, it causes movement in surrounding air molecules. These molecules bump into the molecules close to them, causing them to vibrate as well. ... This “chain reaction” movement, called sound waves, keeps going until the molecules run out of energy.

Answer 2

Answer:

Sound is a type of energy made by vibrations. When an object vibrates, it causes movement in surrounding air molecules. These molecules bump into the molecules close to them, causing them to vibrate as well. ... This “chain reaction” movement, called sound waves, keeps going until the molecules run out of energy.

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