Lesson 2

As you climb higher up a mountain, what happens to the air pressure?

• it increases - more oxygen available

• it stays the same as on the ground

• it decreases - less oxygen is available

______________ ______________ is produced when fuels containing sulfur are burned in the presence of oxygen.

• Carbon dioxide

• Sulfur dioxide

• Carbon monoxide

• Greenhouse gas

Tags

NGSS.MS-PS1-2

Source of carbon monoxide

• Incomplete combustion of fossil fuels

• Combustion of fossil fuels

• Decomposition of plant and animal matters

• Photochemical reaction of CO₂

Tags

NGSS.HS-ESS2-6

What is a primary pollutant? 

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

A type of pollution found both indoors and outdoors, which includes pollen, dander, soot, carbon, and dust.

• Water droplets

• Allergens

• Particulate matter

• Combustibles

Tags

NGSS.MS-ESS3-3

Which of the following are examples of VOC's ? (Select 3)

• paint and paint thinners

• gasoline

• water vapor

• formaldehyde

• smog

Tags

NGSS.MS-ESS3-3

This primary pollutant creates a reddish brown gas creating photochemical smog and tropospheric ozone.

• sulfuric acid

• VOC

• nitrogen dioxide

• particulate matter

Tags

NGSS.MS-PS1-2

Which of the following is NOT a primary pollutant?

• nitric oxides

• smog

• sulfur dioxide

• volatile organic compounds

What is a secondary pollutant? 

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

Which of the following government agencies is responsible for the Clean Air Act?

• the USGS

• the USDA

• the EPA

• the USDOJ