Answer:
They involve changes in energy. When a spring is compressed, the energy changes from kinetic to potential.
I would say it's A and C, because it's good to use key words, but you always wanna keep your search general, with key words, hope this helped :)
Answer:
c. metal
Explanation:
Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it.
<em>Hope it answers the question:)</em>
Answer:
Mark me as brain list plz for fun
Explanation:
Roy is the did