What type of drug is Heroin? A. Hallucinogen
B. Depresent
C. Narcotic
D. Stimulant

How does social isolation affect teens?

Viruses ) manufacture their own atp, proteins, and nucleic acidsb) use the host cell to copy themselves and make viral proteinsc) use the host cell to copy themselves and then viruses synthesize their own proteinsd) metabolize food and produce their own atp

The first step in treating water from a river or lake is usually