Answer:
Unlike inbreeding, hybridization is more likely to cause genetic abnormalities.
He is WRONG
Explanation:
Any atom at the ground state has its orbital levels fill from the bottom (close to the nucleus) – up. The inner orbitals are of lower energy state and fill first because the atoms ‘likes’ to exist in the low energy and more stable state. Only when the atom is in an excited state do some of the electrons in the lower orbital levels shift to higher unfilled orbitals.
Khan Academy is great! Also, Alison (it's a website) has some free courses as well.
Weaker gel concentration could make the lines on the graphs closer together
It’s someone’s opinion so the key word “best hints that it an opinion so to be objective is to be unbiased. If you're objective about something, you have no personal feelings about it.