Question

what happens during a compression of a sound wave? the particles that a sound wave passes through are pulled apart. the particles that a sound wave passes through are spread out. the particles that a sound wave passes through are pressed together.

Explanation:

Sound waves are longitudinal waves. In a compression of a sound - wave, the particles of the medium through which the sound travels are pushed closer together. This is in contrast to rarefaction where particles are spread out.

Answer:

The particles that a sound wave passes through are pressed together.