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OpenStudy (anonymous):

A singer moves a note down one octave. How has the sound changed? A. the frequency has decreased B. the frequency has increased C. the wavelength has decreased D. the speed has increased

OpenStudy (anonymous):

@Michele_Laino :)

rvc (rvc):

B

OpenStudy (anonymous):

ok! thx!

OpenStudy (anonymous):

how come, though?

rvc (rvc):

wait its noet B

OpenStudy (michele_laino):

I think option A

OpenStudy (anonymous):

ok! thanks!!

OpenStudy (michele_laino):

:)

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