A. The term addict usually describes someone who has an uncontrollable habit of drugs and alcohol.
B. When someone needs more drugs to experience its effects, we say that person is an addict of drugs.
C. Feelings of pain, anxiety, depression, and fatigue that happen when someone stops taking drugs are called withdrawal symptoms.
D. Drugs that are easily accessible and can lead to the use of other drugs are known as gateway drugs.
E. Solar heat trapped in the Earth's atmosphere by greenhouse gases is called global warming.