Answer:
I think its C sorry if it's wrong
Answer:
plasma arc
cutting
Explanation:
It is plasma arc cutting because i think it is
The answer is D. As the ambulance gets closer, the sound waves are compressed relative to the person; so the frequency increases.
Because of the build up of pressure. There is so much steam coming from such a compressed point, it’s coming out in force.
Now think of that same spot being closed, it only has one place to go but it can’t leave, so that pressure will build and build and then BOOM, it explodes.
In short, the answer is the pressure being released from a small point, and how that energy is released.
Answer is x hopefully this helps your stupid head