The brain. The brain tells the body what to do same way the nucleus does for the cell.
Answer:
The mass number of an isotope is the total number of protons and neutrons in an atomic nucleus. If you know that a nucleus has 6 protons and 6 neutrons, then its mass number is 12. If the nucleus has 6 protons and 7 neutrons, then its mass number is 13.
Explanation:
A. 3<span> chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite.</span>
Answer:
hmmmmmmm what? 2 + 2 = 22 :)
