Answer:
C. Both represent major components of the FITT principle.
Step-by-step explanation:
A good health can be defined as the state of well-being in which all of the components of an individual's health are in balance. These state of well-being comprises of six (6) important components and they are; physical, spiritual, emotional, environmental, social and mental or intellectual. In order to have a good health, physicians and medical professionals advise individuals to engage in physical activity such as an aerobic exercise.
Aerobic exercises refers to all forms of physical activity that an individual engages in, in order to increase the heart rate (from low to high intensity) in response to the level of oxygen required by any activated or working muscle in the human body.
Basically, fitness experts usually advises everyone to judiciously engage in physical activities or exercises so as to improve their well-being, wellness or heart health.
Progression and variation are similar because both represent major components of the FITT principle.