When assessing an infant's consciousness, you should:
a. nudge the arm.
b. look in their eyes.
c. feel for heartbeat.
d. flick the bottom of foot.

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 answer is true,hope my answer was to you : )