Which condition is primarily responsible for the dramatic increase in the other health impairments category?

ADHD Attention Deficit Hyperactive Disorder is mainly responsible for the increase in health impairments category.

Explanation:

ADHD is the mental disorder of the neurodevelopment type. ADHD affects children, teenagers and adults. Children with ADHD have defects in brain development and activity. Kids with ADHD are inattentive, fidgetive, hyperactive, do not listen and follow instruction.  

Doctors conduct a vision and hearing test to diagnose ADHD in children. If treated properly and proper parental care is ensure this condition can be cured. The premature birth, smoking, drug and alcohol usage leads to risk factors of ADHD.

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.