Final answer:
Longitudinal waves involve back-and-forth motion in the same direction as the wave, with sound waves being a classic example.
Explanation:
Longitudinal waves are waves where the motion of the material in the wave is back and forth in the same direction that the wave moves. An example of a longitudinal wave is a sound wave, where the air molecules vibrate back and forth as the wave passes through them.
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https://brainly.com/question/31377484
