Module 5 Review

What does the Clean Water Act regulate?

• discharges of pollutants to air in the U.S.

• discharges of pollutants to soil in the U.S.

• discharges of pollutants to waters of the U.S.

• discharges of pollutants to landfills of the U.S.

Smog is an air pollutant.

• True

• False

Most water pollution is caused by

• volcanic eruptions

• sediments

• human activities

• droughts

Thermal pollution is a microorganism that causes disease.

• True

• False

Which of the following is an example of a primary pollutant?

• ground-level ozone

• soot from smoke

• radon

• All of the above

Large-scale farming leads to a loss of for native species.

• nutrients

• habitat

• pollution

• ozone

Which of these could help to reduce air pollution?

• recycling

• mining

• burning fossil fuels

• driving a car

Which of the following is a non-point pollution source?

• Acid mine drainage

• A pipe coming out of a factory

• Raw sewage being discharged from a cruise ship

• Run-off from agricultural fields

• A sewage treatment plant

What is pollution discharged form a single source?

• sludge

• point source

• nonpoint source

• smog

Which of the following is a major threat to a coral reef?

• water pollution

• fishing

• water skiing