Prolonged and constant use of tobacco can weaken the user's immune system and increase the risk of many diseases. which disease makes the air sacs in the lungs less elastic, reducing their ability to absorb oxygen?

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.