Which of the following is not a type of bacteria that can cause illness? aerobic bacteria anaerobic bacteria facultative anaerobic bacteria depilitative bacteria

I think its D
hope this helped

Ibelieve the answer is d.

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)