Linda, a farmer, is cultivating corn and rice on her land. She also raises sheep and cows for their meat. Which type of farming Linda is practicing? A.
mixed farming
B.
livestock ranching
C.
intensive subsistence farming
D.
nomadic herding

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)