-Medium- an agency or means of doing something.
-Technique-a skillful or efficient way of doing or achieving something.
-Proportion- a part, share, or number considered in comparative relation to a whole.
The only possible answer is A; however, brain decay is not only seen in the frontal lobe, the temporal lobe is affected and the brain has less gray matter in schizophrenic patients.
I think lifting weights depending on what kind of weights you use or swimming
the answer is all of the above i took the test