Lets get this straight:-
Protons → Positive charge, found in nucleus, heavy
Now, the only one we see that seems to be correct is A) positive charge, heavy, found in the nucleus of an atom
Because it's protected from air because air makes it turn brown.
your answer is <u>B. Arrhenius base</u>
Reducing the concentration of reactants
120 Fahrenheit -32 x 5/9 +273.15 = 322
