Which of the following can reduce the risk of fire? a. leaving food cooking in the oven without monitoring its progress b. leaving irons and curling irons plugged in for long periods of time c. keeping all matches, cigarette lighters, and flames out of children's reach d. overloading electrical outlets and running cords under rugs or through the walls

C. keeping all matches, cigarette lighters, and flames out of children's reach

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.