Ever since he suffered a brain injury by falling from a ladder, Zack's wife has continued to tell the doctor that his personality has changed. He used to be fun loving and carefree, but he is now more critical and yells at his children for seemingly little reason. Zack is likely to have suffered damage to the of his cortex.
frontal lobe T/F

Yes its true, most probably it could be due to damage of frontal lobe that's why Zack is total changed by his thinking, emotional expressions and language. As he was fun loving and carefree personality but now he is more critical and for little reason he yells at his children.

Explanation:

Frontal lobe is the brain part which is responsible for the control of cognitive skills in humans like memory, emotional expression, language, sexual behaviors, judgement, and problem solving.

So, Zack personality changes due to damage of frontal lobe of his brain's cortex.

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.