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We can observe two distinct regions in the sound wave. The region with a higher number of particles is called a ____________________ and the area with a lower number of particles is called a ________________.

Respuesta :

Answer:

The region with a higher number of particles in a sound wave is called a compression, and the area with a lower number of particles is called a rarefaction.

Explanation:

Sound waves consist of compressions and rarefactions as they propagate through a medium, such as air or water. In a compression, the particles are closer together, and in a rarefaction, the particles are spread farther apart.

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