Question

last question answer please​

Answer 1

Answer:

Sound travels by vibrating the particles in the medium so that they bump into each other. ... In the vacuum of space, there are no (or very, very few) particles to vibrate, so sound cannot travel through this medium.

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Answer 2

Answer:

Sound vibration must travel through matter. ... Sound cannot travel through a vacuum. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.

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