7.1 and 7.2 check Your Understanding Questions

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

• Ozone (O₃)

• Nitrogen oxides (NOₓ)

• Peroxyacetyl nitrates (PANs)

• Sulfuric acid (H₂SO₄)

Which of the following pollutants is formed as a result of chemical reactions in the atmosphere from primary pollutants?

• Nitrogen dioxide (NO₂)

• Carbon monoxide (CO)

• Ozone (O₃)

• Lead (Pb)

Tags

NGSS.HS-ESS3-5

Which of the following is a secondary air pollutant?

• Sulfur dioxide (SO₂)

• Carbon dioxide (CO₂)

• Ozone (O₃)

• Methane (CH₄)

The Clean Air Act (CAA) of 1970 was designed to reduce which of the following?

• Greenhouse gases

• Airborne particulate matter

• Ozone-depleting chemicals

• All of the above

Tags

NGSS.HS-ETS1-3

What is the primary function of the Clean Air Act in the United States?

• To regulate the use of fossil fuels

• To establish air quality standards and reduce air pollution

• To reduce the emissions from landfills

• To regulate water pollution

Tags

NGSS.HS-LS2-7

Which of the following is a consequence of secondary air pollutants?

• They contribute to acid rain formation.

• They directly harm human health upon release.

• They are immediately harmful to the environment.

• They are not affected by weather patterns.

Which of the following pollutants is primarily released from the burning of coal and diesel fuels?

• Sulfur dioxide (SO₂)

• Carbon monoxide (CO)

• Ozone (O₃)

• Nitrogen oxides (NOₓ)

What is a major consequence of the combustion of coal and diesel fuels on air quality?

• Depletion of the ozone layer

• Formation of photochemical smog

• Lower levels of particulate matter

• Reduction of greenhouse gases

Which of the following gases contributes to acid rain when coal and diesel are burned?

• Nitrogen oxides (NOₓ)

• Carbon dioxide (CO₂)

• Methane (CH₄)

• Carbon monoxide (CO)

How does the combustion of diesel fuel impact air quality?

• It reduces the levels of ground-level ozone.

• It increases levels of sulfur dioxide and particulate matter.

• It decreases carbon dioxide emissions.

• It promotes ozone formation in the stratosphere.