Answer:
In physical changes no new materials are formed and the particles do not change apart from gaining or losing energy. ... Particles stay the same unless there is a chemical change whether the matter is solid, liquid or gas. Only their arrangement, energy and movement changes.
Explanation:
Hope this helps
Answer: Try C
Explanation:
It's the only one that makes since.
Hello,
I believe they are a lever and a wedge.
I hope this helps!