41.1k views
3 votes
Chemical substances that have a calming effect are known as:

A. narcotics
B. hallucinogens
C. depressants
D. stimulants

2 Answers

3 votes
stimulants and depressants
User Prateek Gupta
by
7.0k points
4 votes
That would be a depressant. It slows down nervous activity.
User Alexcamostyle
by
7.8k points
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