Which is a stimulant?
Adderall
Percocet
Xanax

Adderall

Explanation:

Adderall is the brand name for a mix of two stimulants called amphetamine-dextroamphetamine. Ritalin is the brand name for a stimulant called methylphenidate.

answer; (b) i believe the correct answer is : /eliminate health disparities and improve the health of all population groups;