Question

complete the sentence. pathogenic infections can be traced to their source by testing sewer and wastewater. this is referred to as
ozonation
sanitation
epidemiology
sewageology

Explanation:

Epidemiology studies the patterns, causes, and control of diseases. Tracing pathogenic infections via sewer - wastewater testing is an epidemiological method to understand disease spread and sources. Ozonation is a water - treatment process, sanitation is about general cleanliness and health protection, and there is no widely - recognized field called sewageology.

Answer:

C. epidemiology