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# As a wave travels from point A to B in air, the air particles:

- As a wave travels from point A to B in air, the air particles: (select all that applies)

Move from A to B with the speed of sound

Move from A to B with speed slower than the speed of sound

Particles do not move from A to B. They vibrate around their original locations.

Particles do not move at all.

2.Harmonic of a given frequency (f) is (select all that applies)

any integer multiple of that frequency (i.e. 2f, 3f, 4f, 5f ...)

any odd multiple of that frequency (i.e. 3f, 5f, 7f ...)