Is this true that nutrition is the process by which your body takes in and used food?

yes

Explanation:

Nutrition is the process by which a living organism obtains and utilises food material.

the answer is c dandruff

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.