Question

what is cacuum short answer​

Answer 1

Answer:

A vacuum is a volume that encloses little or no matter. In other words, it is a region that has a gaseous pressure much lower than that of atmospheric pressure. A partial vacuum is a vacuum with low amounts of matter enclosed. The term vacuum comes from the Latin vacuus, which means empty.

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Explanation:

Answer 2

Answer:

A vacuum is a space that is free or void of any matter. It is a space that has nothing completely. Sound is a wave energy. What this means, is that sound travels through the vibration of particles of matter or medium. Since a vacuum is void of any matter, sound cannot travel through it.

Explanation:

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