What is an important precaution to take when you are inside during a severe thunderstorm?

unplug all the electronics.
turn off all the lights.
turn off the water supply.
prepare an emergency kit.

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.