According to the national clearing house for alcohol and drug information (ncadi), most children under the age of , who do not participate in drug and alcohol abuse, is virtually certain to never do so. (1 point) 20 21 23 19 2. the average age when youth first try ..

Water pollution cannot only affect the earth's water supply but it can also affect the soil true or false

If you or someone you know may have a mental disorder, it's important to discuss this concern with a trusted adult. t or f

Viruses use the host's machinery to make copies of themselves. however, some human viruses require a type of replication that humans do not normally have. for example, humans normally do not have the ability to convert rna into dna. how can these types of viruses infect humans, when human cells cannot perform a particular role that the virus requires? a) the virus causes mutations in the human cells, resulting in the formation of new enzymes that are capable of performing these roles. b) the viral genome codes for specialized enzymes not in the host. c) the virus infects only those cells and species that can perform all the replication roles necessary. d) viruses can stay in a quiescent state until the host cell evolves this ability.