Chemistry, 13.07.2019 13:00, katiebotts18

Chemical substances that have a calming effect are known as: a. narcoticsb. hallucinogensc. depressantsd. stimulants

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Chemistry, 22.06.2019 13:30, bryce99

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Chemistry, 22.06.2019 17:30, shookiegriffin

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Chemical substances that have a calming effect are known as: a. narcoticsb. hallucinogensc. depress...