Authorities in Chicago are concerned about sewage discharge entering the Chicago River. Which pollutants would they MOST likely be concerned about?
A. gasoline and car exhaust emissions
B. pesticides and herbicides
C. phosphates and nitrates
D. fossil fuels and oil
C. phosphates and nitrates
Phosphates and nitrates are common pollutants found in sewage discharge that can lead to water contamination and harm aquatic habitats.