That's cool man, you should study more... wheres the question though?
In all atoms, the number of protons and the number of electrons is always the same. The number of neutrons is very roughly the same as the number of protons, but sometimes it's rather more. The number of protons in an atom is called the atomic number and it tells you what type of atom you have.
Answer:
Both involve drilling into the earth and can cause environmental degradation.
Explanation:
B. Are produced only by living things
