Question

A wastewater manager is concerned about the increasing number of intestinal illnesses in his town and the corresponding increased levels of a pathogen
known to cause this illness found in wastewater samples. Which process should be used to track the source of this waterborne illness in his town?
O Epidemiology
O Civil engineering
Hydrologic tracing
O Water management

HELP ME PLZ

Answer 1

Hmm I would have to say b or d good luck!