Separation of substances by passage through a membrane is called a. centrifugation
O b. absorption
O c. dialysis
O d. deglutition

centrifugation

Explanation:

i've had this question before, and this was the answer.

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.