Describe the difference between point source and nonpoint source of pollution.
Identify a point source pollutant.
Identify a nonpoint source pollutant.
Describe the impacts of human activities on aquatic ecosystems.
Describe the impacts of human activity on wetlands and mangroves.
Explain the environmental effects of eutrophication.
Describe primary sewage treatment.
Describe secondary sewage treatment.
Describe tertiary sewage treatment.
Explain how sewage is disinfected before it is released.