what is a chemical found in tobacco smoke that speeds up the activities of the nervous system, heart and other organs; it produces the addiction to tobacco smoke.

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.