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5 March, 04:27

How do you call the chemical substances that have a calming effect?

1) hallucinogens

2) depressants

3) stimulants

4) narcotics

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Answers (1)
  1. 5 March, 08:08
    0
    A depressant is the chemical substances that have a calming effect on people. They are also called sedatives or tranquilizers. The correct answer is 2.
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