<span>1.)One way to limit iron corrosion is to coat the iron with a metal that:
A.)will never undergo corrosion
</span>
<span>C) the core is more than a million times hotter than the surface</span>
Answer:
you can write plastic , paper , stone e.t.c
Explanation:
non metals means who are not being attracted by magnets
or
which does not have good conductor of heat and electricity
some others examples can be sulpher
Answer:
Hydrogen has only 1 valence electron in its outermost shell.
Explanation: