Matter that waves travel through is called what?

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Multiple Choice

Matter that waves travel through is called what?

Explanation:
Waves need something to travel through in order to carry energy from one place to another. That substance is called a medium. A medium can be air for sound waves, water for ocean waves, or a solid like a rope or a wall for other mechanical waves. A vacuum has no matter at all, so mechanical waves can’t travel there, though light can move through a vacuum. So the general term for what waves travel through is a medium.

Waves need something to travel through in order to carry energy from one place to another. That substance is called a medium. A medium can be air for sound waves, water for ocean waves, or a solid like a rope or a wall for other mechanical waves. A vacuum has no matter at all, so mechanical waves can’t travel there, though light can move through a vacuum. So the general term for what waves travel through is a medium.

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