Question

multiple choice question
mechanical waves are _.
o vibrations that do not travel
traveling vibrations in a medium
o moving particles of matter
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Explanation:

Mechanical waves are defined as traveling vibrations in a medium. They require a medium (such as solid, liquid, or gas) to propagate. Vibrations that do not travel are not waves. Mechanical waves are not just moving particles of matter; they are the transfer of energy through the vibration of particles in a medium.

Answer:

traveling vibrations in a medium