Question

Can someone please help?!?!?!?! I can't get any help int the science section!

When the sound source is moving away from the observer, the observer will hear a

lower pitch due to the change to a higher frequency.

lower pitch due to the change to a lower frequency.

higher pitch due to the change to a higher frequency.

higher pitch due to the change to a lower frequency.

Answer 1

lower pitch due to the change to a lower frequency, i believe