Should fruits that produce etheyene gas be stored

They should not be stored togetherethylene because
 the “fruit-ripening gas,” is naturally emitted to help ripen fruit and will speed ripening and spoilage in nearby produce. Keep ethylene-sensitive fruits and vegetables away from ethylene producers.

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)