You ware part of your school contingent to independence day celebration at stadium. write a letter to your friend telling him your activities and experience on that day ​

A.children playing educational games

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)