rharr11
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HELP NEEDED PLEASE
Number 3 is what?

Number 2 is what?
Number 1 is what ?

Question 28 options:

the amplitude


the frequency


the trough


the wavelength

HELP NEEDED PLEASE Number 3 is what Number 2 is what Number 1 is what Question 28 options the amplitude the frequency the trough the wavelength class=