Question

there are several different infectious agents that can pollute water. some examples are the bacteria that cause cholera and the parasite known as giardia. what is another type of infectious agent that can be found in water? viruses venomous snakes

Explanation:

Infectious agents in water include bacteria, parasites, and viruses. Viruses are a valid type of infectious agent that can contaminate water (e.g., hepatitis A virus). Venomous snakes are not infectious agents; they are organisms that may be in water but don't cause infection in the same way as microbes.

Answer:

A. Viruses