Question

which of the following contaminants is removed or deactivated in treated sewage? biological contaminants medical contaminants nutrient contaminants

Explanation:

Sewage treatment processes are designed to remove biological contaminants such as bacteria, viruses, and protozoa. Medical contaminants are not typically the main focus of sewage - treatment processes in the same way, and "nutrient contaminants" is a more general term and not the most specific and commonly - referred - to type of contaminant removed in sewage treatment compared to biological ones.

Answer:

biological contaminants