Mechanical waves don't require a medium.
True. Mechanical waves are able to travel through air, water and solids.
It depends on the type of mechanical wave.
False. Mechanical waves cannot travel through a vacuum.
True, but only medium mechanical waves need a medium.

Explanation:Type of wave that can travel through the vacuum of space - DOES NOT require a medium. ... False: A vacuum is empty space (no matter). Sound waves must have a medium (matter) in order to travel. Sound waves are mechanical waves.

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Mechanical waves don't require a medium. True. Mechanical waves are able to travel through air, water and solids. It depends on the type of mechanical wave. False. Mechanical waves cannot travel through a vacuum. True, but only medium mechanical waves need a medium.

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Mechanical waves don't require a medium.
True. Mechanical waves are able to travel through air, water and solids.
It depends on the type of mechanical wave.
False. Mechanical waves cannot travel through a vacuum.
True, but only medium mechanical waves need a medium.