What is atom? what is it made up of? don't want useless answers

Atoms are the most basic confirmed building block of life. Everything is made up of atoms.  Atoms are made the positively charged protons, neutral charged neutrons, and negatively charged electrons.

it is a learned trait

explanation:

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

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