Write an next x to the actions that prevent a sanitizer from working well.
A Making the sanitizer temperature
too high
B Putting extra sanitizer in the
solution
C Letting items make contact with
the sanitizer solution
D Testing the sanitizer strength with
a test 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.