Respuesta :
I believe the correct answer from the choices listed above would be the third option. Given the number of oscillations a wave completes in a period of time, you can determine the frequency. It is the number of oscillations completed in one second. Hope this helps.
Answer:
The right answer is......Frequency! I remember this from class, and cause it was the only one I got wrong on a quiz so i had to re-take it...but i got it right after lol