Answer:Illicit drugs can also be classified by major effects. There are four major types: stimulants, depressants, narcotics, and hallucinogens.
Explanation:
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The speed is not stable/constant , it`s changing
Aerobic exercise can lead to an increase in flexibility
Human papillomavirus (HPV) causes genital warts. It is also a very common STI in Canada, especially among teens and young adults. Research shows that the virus that causes genital warts is also linked to cervical cancer. Syphilis is a bacterial infection that is less common but still remains a cause for concern.. So C