Tranquilizers and alcohol are

A) stimulants.
B) hallucinogens.
C) depressants.
D) amphetamines.

Depressants

Substances that reduce neural activity and slow down the functions of the central nervous system, often used to induce calmness or sleep.

Tranquilizers

Medications used to reduce tension or anxiety, often affecting the central nervous system.

Alcohol

A psychoactive substance found in beverages such as beer, wine, and spirits, known for its effects on the central nervous system.