F is the symbol for fluorine which is a single atom. A molecule is two or more atoms together, which makes F not a molecule.
Chordates are animals that possess certain characteristics including a notochord. Humans fall into this category along with many vertebrates such as whales, falcons etc; therefore, all of the answers apply.
Food, research, therapy, entertainment affection.
Answer:
I would say C. but i don't think it will be