It is because aluminum cannot be recycled once corroded or used in reactions
The answer is C. If the Fours were all the way on the left it would make all of the zeros Significant figures.
An atom typically has a neutral charge, as in most cases an atom has the same amount of positively charged protons as it does negatively charged electrons.
Atoms that do not have the same amount of electrons as protons are known as isotopes.
They are malleable and conductive
I think its c ,,,,,,,,,,,,,,,,,,,,,,,,