5 mm
10 mm
12 mm
9 mm
A=
sq. mm

this is really easy just look up what these words mean

what are the choices?

clean the wound to make sure of no infections.

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.