2. improves the health of your muscles and I would think 1. considered exercise but the part with some of the time throws me off
Your answer is bulimia. Or you might be looking for its more medical term which is Bulimia Nervosa. You can remember this by the fact that binge and bulimia both start with a B. Good Luck!
One thing you could do in order to measure your cardiovascular strength, you can do a full sprint. In order to improve this you can swim, jog, run, body weight exercised, and a balance diet.
Answer:
it depends on the person, for me least challenging in online school because of my social anxiety! but hybrid may be a better option for those who can't concentrate! but I would say hybird, is less challenging! even though I prefer online!! I hope this helped! <3