ExTroNx ExTroNx

16-01-2020
Biology

contestada

What happens to the frequency heard when an observer begins moving toward the stationary source of a sound?

A. The frequency decreases
B. It depends on how fast the observer is moving
C. The frequency increases
D. Nothing happens

Respuesta :

16-01-2020

The answer is the letter c

Answer Link

jaydonprather jaydonprather

20-08-2020

Answer:

its c

Explanation:

im doing the test

Answer Link

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