Question
As the ambulance got closer, Marge noticed that the pitch of the siren got higher. This happened because
Responses
A the sound waves were pushed closer together.
B the human ear increases pitch over time.
C the ambulance was further away.
D the volume increased.
Responses
A the sound waves were pushed closer together.
B the human ear increases pitch over time.
C the ambulance was further away.
D the volume increased.
Answers
Answered by
GPT 3.5
A. the sound waves were pushed closer together.