A doctor prescribes her patient a 20-mg dose of medicine, and the medicine has a concentration of 80 mg/ml. How much medication will the patient receive?
0.25 ml
0.5 ml
16 ml
160 ml

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)