Aphysiological is a difference in chemical concentration

Gradient.

Explanation:

Psychology may be defined as the field of biology that mainly deals with the study of the mind, behavior and social aspect of the individual. The one who is expertise in the psychology is known as psychologist.

The psychological gradient shows the unequal or difference in the physical pressure or chemical difference between the two points. This might also the difference in the mental activity and its response in the different actions like reading, writing and at its conclusion.

Thus, the answer is gradient.

what are the possible statements?

i need the a b or c but mental disorders include repetitiveness,unable to listen, wanting to kill people, thinking that you are perfect, sexuality toward the wrong age types younger than you like a child bad reputations cutting yourself abuse! these are sad but these are true! the titles for some of these are ptsd and adhd. you need to go to jail or get an expert counselor if you face any of these problems or if you have indeed been involved!