Question

which of these is a designer drug?
ghb
cocaine
morphine
marijuana

Explanation:

Designer drugs are synthetic substances made to mimic the effects of other drugs. GHB (gamma - hydroxybutyric acid) is a designer drug. Cocaine is a natural stimulant from the coca plant, morphine is an opioid derived from the opium poppy, and marijuana is a natural plant - based drug.

Answer:

GHB