mone101 mone101

24-06-2021
Biology

contestada

for a stationary observer, when the source of a sound is moving , its ______

A- Amplitude increase
B- pitch appears to change
C- Speed increases
D- decibel level decreases

Respuesta :

zoevaldez093 zoevaldez093

24-06-2021

Answer: B- pitch appears to change

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