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What is a vacuum? Choose the correct answer from the given options.

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A vacuum is defined as a space with lots of liquid particles.

A vacuum is defined as an empty space in which there are no matter particles present.

Outer space is defined as a vacuum.

A vacuum is defined as a space with a lot of solid particles.

answer is B.

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Detailed Solution

A vacuum is defined as an empty space in which there are no matter particles present.

Since there are no particles in a vacuum for vibrations to take place, sound cannot travel through it.

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