Answer:
A
Explanation:
I dont really know i just guessed i dont get this type of stuff
B. A model cannot show real life conditions. This is so because models aren't alive.
Answer:
1) sound is encoded on a digital recording as an electrical signal.
2) the digital recording plays the sound as an electrical signal.
3) the electric signal moves through a voice coil
4) The voice coil produces a magnetic field.
5) changing the magnetic field pushes and pulls on the diaphragm.
