Which is an external pressure that might influence teens to have sex
a. they think it’s how you show love to someone
b. they are being pressured by their partner
c. they are curious about sex

When diving into water, it is important to look before diving to avoid that could damage your nervous system deep water underwater hazards living creatures water toys

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.

1. true or false decay destroys tooth enamel 2. true or false- tooth decay starts when plaque builds up on your teeth