When you hear an ambulance siren, it alternates between high and low tones, depending on the frequency of the sound waves.This is called _____.
A)pitch
B)loudness
C)audition
D)resonance

Question

Quizplus · Accepted Answer

The alternating high and low tones of an ambulance siren are related to the pitch of the sound, which changes with the frequency of the sound waves. Higher frequencies correspond to higher pitches and vice versa.

When You Hear an Ambulance Siren, It Alternates Between High