ANSWER:
Pathogens would invade the body and cause disease, such as giardia.
Step-by-step explanation:
"Pathogens would attack the body and cause infection, for example, giardia" is the one among the accompanying decisions given in the inquiry that describes how contaminated water sources would probably influence one's close to home wellbeing. The right choice among every one of the choices that are given in the inquiry is the last choice or the fourth choice.