Although most psychoactive substances interact with specific substances in the brain cells, the effects of are much more complex because several different neurotransmitter systems are affected.
a. opiates
b. tranquilizers
c. alcohol
d. marijuana

Alcohol

Explanation:

Alcohol has positive as well as negative effects on the healthy lifestyle of a person. People used it as a depressant. Alcohol slows down the activity of a person. The effect of alcohol depends on consumer capacity. Most of the people take it for enjoyment or loosen up the stress. When a person consumes alcohol more than capacity, it leads to the depressant. A person starts to lose control over things. More than capacity, if someone consuming the alcohol leads to the severe depressant condition. A person starts to feel vomiting, nausea, withdrawal symptoms, coma death, unconsciousness, etc. These all depend on the reaction of the person.

aliens are not real, the myth was created about 700 years ago because people found markings in the field of their crops. also, no there were no aliens on the moon.

hope this ! give brainliest!

this headline suggests that midterm congressional   elections are at the corner and trump administration wants to activate his base by vowing to clamp down on immigrants and immigration as trump had said during his election campaign around two years ago. when a baby is born in usa, the baby becomes citizen of usa for 85 years and trump wants to end this rule of birthright citizenship to control illegal immigration and this what he said in an interview""we’re the only country in the world where a person comes in and has a baby, and the baby is essentially a citizen of the united states for 85 years, with all of those benefits,” "