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  1. P

    What must be present for the propagation of a mechanical wave?

    I also read about a medium.
  2. P

    What must be present for the propagation of a mechanical wave?

    sound, earthquake, water waves... it is vibration?
  3. P

    What must be present for the propagation of a mechanical wave?

    Movement?
  4. P

    What must be present for the propagation of a mechanical wave?

    I have no idea... Movement?
  5. P

    What must be present for the propagation of a mechanical wave?

    What must be present for the propagation of a mechanical wave?
  6. P

    What must be present for the propagation of a mechanical wave?

    What must be present for the propagation of a mechanical wave?
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