Gregory is going to graduate school in a psychology program, and he is most interested in studying how drugs affect the brain and behavior. gregory is probably attending a graduate program in

Neuropsychology

Explanation: Neuropsychology is the study of the relations between the central nervous system and behavior. A drug always causes changes among neurotransmitters, resulting in changes or disorders of the nervous system which also causes behavior disorders. Neuropsychologist will evaluate, for example, how the psychological processes (memory, attention, etc) are affected in a patient who consumes drugs.

answer; i believe that the correct answer is (c) ///

an aneroid barometer is different from a mercury barometer in that it provides readings that increase as air pressure increases.

hope it : )