Answer:
2nd level has 4 orbitals. An f sublevel has 7 orbitals.
Answer:
as the human population grows, more people will on be on earth and if those people pollute in the ocean the ocean will get dirtier and unhealthy for the underwater creatures.
I think you might be thinking of the different folding patterns of proteins. It begins with primary structure, then secondary, then tertiary, and finally quaternary.
