Unit 7 Learning Assessments

Which form of legislation is responsible for regulating lead in fuels, which ultimately ends up in the atmosphere?

• Safe Drinking Water Act
• Clean Air Act
• Montreal Protocol
• Clean Water Act

Secondary pollutants tend to be the result of a combination of a pollutant and ____________.

• water
• soil
• photochemical smog
• ozone

Which is a major source of sulfur dioxide found in nature?

• ruminant animals
• lightning strikes
• plant emissions
• volcanoes

Carbon monoxide

• increases lung cancer.
• leads to the formation of photochemical smog.
• is most problematic in rural areas.
• is produced by incomplete combustion.

Which criteria air pollutant has seen the most substantial decrease in recent years?

• carbon monoxide
• nitrogen oxides
• ozone
• lead

Cars release nitrogen dioxide from the exhaust. Which type of pollutant is nitrogen dioxide?

This law that was enacted in 1970 set limits on pollutants released in the air.

This corrosive gas is especially prevalent after the burning of coal.

This is a colorless, odorless gas that is released when materials are not combusted completely.

Smoke is a bunch of particles that are suspended in the air. Smoke is an example of...