C. phosphates and nitrates
Phosphates and nitrates are common pollutants found in sewage discharge that can lead to excess algae growth, oxygen depletion, and harm to aquatic life in rivers.
Authorities in Chicago are concerned about sewage discharge entering the Chicago River. Which pollutants would they MOST likely be concerned about?
A. pesticides and herbicides
B. gasoline and car exhaust emissions
C. phosphates and nitrates
D. fossil fuels and oil
1 answer