Exercise can prevent heart disease but once you've had a heart attack, it's too late for exercise to you.

i say that the answer is 'd'

absolute strength refers to the maximum force exerted by a body irrespective of body size. relative strength on the other hand is the force exerted by a body in relation to muscle size or body weight.

so the answer is: c. absolute strength measures strength regardless of your body size, while relative strength measures strength adjusted for your weight.