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A unit called hertz is used to measure blank of a pitch

a. Frequencies
B. Vibrations
C. Music
D . Timbre

A unit called hertz is used to measure blank of a pitch a. Frequencies B. Vibrations-example-1

2 Answers

6 votes
A
If you look up hertz it will always refer to a
User Dezzley
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3 votes

Answer:

18 is aota and 19 is a

Step-by-step explanation:

User WhyNotHugo
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