What might the risk of infectious disease behind the community that has no water treatment facility

The risk of infectious disease might be high in a community that has no water treatment facility because gems spread faster through water , most viruses also are usually spread faster on untreated water.

Pretty sure this would be b. the rest are trick questions. the bystanders  won't go near you if u have cpr cuffs that could hurt them. the dog will back off because the sound will scare him. and the vomits just a stupid trick. if there is that much slober and vomit on the guy hes either choking on it, or just take off his shirt. 

Alison works as a  radiologic technologist.