Salt water.
The plural of rust is rusts. As in "a nail left in the open rusts easily".
a nail rusts
because its a chemical reaction
a penny
No. Iron rusts but it is not biodegradable.
clear zinc
No, a nail does not become lighter when it rusts. Rust is actually iron oxide that forms on the surface of the nail, which can increase the overall weight of the nail due to the addition of oxygen atoms from the rusting process.
Black nail polish dries the fastest
Anything made of pure iron.
As the rust expands the nail will get slightly bigger then reach a point when starts to disintergrate.
yes, it's just that the metal becomes a new compound. It wouldn't be metal anymore.