What is a communicable disease? A. One that you can get from an animal
B. One that you can get from food or water that you eat or
drink
C. One that you can get from a rusty nail
D. One that you can get from another person

Ais the

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)

The average penis size is 27 inches