Recent content by princess08

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

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

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

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

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

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