Answer:
Water gradually degrades them until the metal parts rust and the other materials deteriorate.
Explanation:
If copper is heated with iron oxide there is no obvious reaction because
copper is less reactive than iron.
On a reactivity chart, copper is far below iron. This makes it impossible for a replacement reaction to occur, so the equation doesn't change.
I hope I helped!
No. Oxygen isn't even a metal.
Alkaline earth metals are the elements of the second column of the periodic table.
