Answer:
when an ambulance passes with its siren blaring, you hear the pitch of the siren. The siren's pitch sounds higher than when it is moving away from you.
So while the siren produces waves of constant frequency, as it approaches us
Explanation:
Answer:
the answer is... Anyone who knows a good place to buy one.
Explanation:
it is not complete so it is a fragment.
hope this helps! :)
Legitimacy, Equality, Freedom, Independence. The list goes on.
