Battery represents a simple machine
Are spotted cats cuter than solid-colored cats?
Chemical is the answer your looking for.
Atoms are divisible contrary to the early beliefs that the smallest "indivisible" matter is an atom. When an atom loses its identity it means that they are divisible. Atoms chemically react with other kinds of atoms thus changing their activity.
They certainly are not that important to our lives, but it’s good to know :)
Answer:
Iron :)))))))))))))))))))))))))
