Sound waves are propagated through the displacement of particles in the direction a wave travels. The displacement creates a sequence of compression and rarefactions in the medium.
Based on the information presented in the introduction of this problem, what is a sound wave?
1) Propagation of sound particles that are different from the particles that comprise the medium.
2) Propagation of energy that does not require a medium.
3) Propagation of pressure fluctuations in a medium.
4) Propagation of energy that passes through empty spaces between the particles that comprise the medium.
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What scientific concept do you need to know in order to solve this problem?
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