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Questions and Answers
What is a primary pollutant?
What is a primary pollutant?
- A pollutant derived only from human activities
- A pollutant that is a result of volcanic eruptions
- A pollutant formed in the atmosphere by chemical reactions with natural components
- A pollutant put directly into the atmosphere by human or natural activity (correct)
Which of the following is a secondary pollutant?
Which of the following is a secondary pollutant?
- Carbon monoxide
- Sulfur dioxide
- Nitrogen oxide
- Ground-level ozone (correct)
Which activity contributes most to nitrogen oxide emissions?
Which activity contributes most to nitrogen oxide emissions?
- Volcanic eruptions
- Power plants (correct)
- Household products
- Refineries
What is the major source of sulfur dioxide emissions?
What is the major source of sulfur dioxide emissions?
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Which pollutant is directly emitted by vehicles and gas stations?
Which pollutant is directly emitted by vehicles and gas stations?
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How does ground-level ozone form?
How does ground-level ozone form?
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What is a common source of fine particulate matter in the air?
What is a common source of fine particulate matter in the air?
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Which legislation gives the EPA the authority to regulate vehicle emissions in the United States?
Which legislation gives the EPA the authority to regulate vehicle emissions in the United States?
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