Drug abuse can be very dangerous to the body. Which of these best describes
drug abuse?

Christopher came down with chicken pox after spending time in his child’s day care. the chicken pox represents what link in the chain of transmission in this scenario?

Avirus consisting of a single strand of rna, which is transcribed into complementary dna, is a ) proteaseb) retrovirusc) rna replicase virusd) nonenveloped virus

How can individuals in communities prevent the global spread of hepatitis c? by getting vaccinated by washing their hands before eating by avoiding contact with the blood of others by avoiding contact with the saliva of others