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ARNELAGNER83IN
Answered

9.The change in pitch due to the motion of the source of the sound and/or the observer is


a.intensity

b.refraction

c.refraction

d.doppler effect​

Sagot :

GELIELIWANAG99IN

Answer:

c or b

answer ko din yn at tma ako

Explanation:

pero kung sa tingin nyo mali ok lang

pero sana nakatulong sa inyu

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