How do two sublevels of the same principal energy level differ from each other

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?