Which statement best describes the effect nicotine has on the central nervous system? 1. It acts as a stimulant and causes pleasurable feelings. 2. It acts as a sedative and relaxes the mind. 3. It acts as both a stimulant and a sedative.

Respuesta :

***CORRECT ANSWER*** 
3. It acts as both a stimulant and a sedative

i think its to but im unsure so dont lean on me for your answer good luck