How can tobacco affect the circulatory system? a. decreases heart rate b. raises blood pressure c. softens the arteries d. causes ulcers

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.

Answer the questions in the image for brainliest. are my answers right? ?

Fiona and thomas are neighbors and have been friends for many years. recently, fiona has started dating someone from her karate class, and now fiona and thomas are experiencing conflict. what is the most likely source of this peer conflict? values information power and structure relationships and roles