Which of the following is the best description of a sound wave?

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A Transverse motion of particles
B Oscillation of electromagnetic fields
C Longitudinal motion of particles
D Movement of light particles

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Answer: C. Longitudinal motion of particles

Answer: C) Longitudinal motion of particles
Explanation: Sound travels through a medium as a longitudinal wave, meaning the particles of the medium vibrate back and forth parallel to the direction of the energy transfer, creating compressions and rarefactions.

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Which of the following is the best description of a sound wave?

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