Environmental Science Air Pollution

What is air pollution?

• Any harmful substance that builds up in the air 
• pollen, dust, gases
• industrial pollution
• chemicals in the water

What is a primary pollutant? 

• pollutant that is put directly into air by human activities
• pollutants that react with other primary pollutants

What is a secondary pollutant? 

• pollutant that is put directly into air by human activities
• pollutants that react with other primary pollutants

Which ones are consider primary air pollutants?

• Nitrogen oxides 
• Sulfur dioxides
• Carbon monoxide 
• all are correct!!!!

—The Clean Air Act- regulates vehicle emissions.

• true
• false

What causes acid rain?

• High concentrations of sulfuric or nitric acid from pollution
• Fertilizer use
• Pesticide use
• CFCs

Acid rain can damage

• Drinking water sources
• Aquatic life
• Architecture/buildings
• All options are correct

The ozone layer protects us from

• UV rays
• CFCs
• Increased atmospheric heat
• Decreased atmospheric heat

____________________ are pollutants released into the air.

• Emissions
• Ozone molecules
• Hazardous wastes
• Acid rains

Dust, ash and pollen are examples of this air pollutant

• Lead
• Ground-level ozone
• Particulate matter
• Nitrogen oxides