Answer:
if you look it up i think u can find it it could be a mealltiod Co 27
Explanation:
Answer:
C. The number of positive and negative charges can be the same.
Explanation:
You didn't mention it, but the trumpeter herself has to be standing still.
<span>Person C, the one running towards the trumpeter, hears a pitch
that is higher than B-flat. (A)
Person B, the one running away from the trumpeter, hears a pitch
that is lower than B-flat.
Person D, the one standing still the whole time, hears the B-flat.</span>