Answer:
stimulants (e.g. cocaine)
depressants (e.g. alcohol)
opium-related painkillers (e.g. heroin)
hallucinogens (e.g. LSD)
Answer:
Persistent depressive disorder.
Persistent depressive disorder, known as dysthymia or low-grade depression, is less severe than major depression but more chronic. It occurs twice as often in women as in men. Persistent depressive disorder (PDD) is a serious and disabling disorder that shares many symptoms with other forms of clinical depression.
2 would be A because fertilization is where the sperm cell and egg unite. 3 would be C because in the picture you can see how the division is occuring.
The creative use of science to solve problems.
