chapter 10

Question 1

Air quality

Answer 1

the amounts of gases and small particles in the atmosphere that influence ecosystems or human well-being.

Question 2

Which gases account for over 99% of the gas molecules in Earth’s atmosphere?

Answer 2

nitrogen (), oxygen (), and argon (Ar)

Question 3

Trace Gases

Answer 3

Gases that make up less than 1% of Earth’s atmosphere

Question 4

Volatile Organic Compounds

Answer 4

organic chemicals that can vaporize into the air. Ex; Methane, paints, gasoline, and the exhaust from automobiles

Question 5

suspended particles

Answer 5

Aerosols, Ex: water droplets that make up clouds and fog, smog, pollen etc.

Question 6

Particulate matter

Answer 6

Very small solid and liquid particles suspended in the air

Question 7

Primary Air Pollutants

Answer 7

chemicals or particles that are directly emitted from identifiable sources. Ex; carbon monoxide and sulfur dioxide

Question 8

Secondary Air Pollutants

Answer 8

chemicals or particles that are produced in the atmosphere as a result of reactions among chemicals or aerosols. Ex; Ozone