contestada

1. compression
a space in which particles have been spread apart
2. periodic energy
an oscillating source of energy that repeats itself in a regular way
3. pulse
a non-recurrent wave
4. rarefaction
a space in which particles have been pushed together

Respuesta :

what do you want me to do theres no question 
SelitaScott

Answer:

Compression: a space in which particles have been pushed together

Periodic energy: an oscillating source of energy that repeats itself in a regular way

Pulse: a non-recurrent wave

Rarefaction: a space in which particles have been spread apart

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