Burns are another injury that most people experience at various time in their life. What types of burns have you experienced? What degree of burns did you receive? What could have been done to prevent these injuries?

The correct answer is c

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)