Air Pollution

Which of the following is a common air pollutant?

• oxygen

• carbon dioxide

• water vapor

• nitrogen

Which of the following gases is NOT a common air pollutant?

• sulfur dioxide

• carbon dioxide

• oxygen

• oxides of nitrogen

What is a major source of air pollution from vehicles?

  

• water vapor

• oxygen

• carbon monoxide

• nitrogen

Which activity contributes to air pollution?

   a) Cycling 

   b) Recycling 

   c) Planting trees 

   d) Slash-and-burn agriculture 

• cycling

• recyling

• planting trees

• slash-and-burn agriculture

Why is air pollution a growing concern?

 

• it makes the air cleaner

• it reduces greenhouse gases

• it increases oxygen levels

• it causes breathing problems

. What is one harmful effect of air pollution?

   a) Cleaner water 

   b) Acid rain 

   c) More trees 

   d) Less dust 

• cleaner water

• acid rain

• more trees

• less dust

What is acid rain formed from?

 

• oxygen and nitrogen

• methane and ozone

• carbon dioxide and water vapor

• sulfur dioxide and oxides of nitrogen

What is one effect of global warming?

  

• cooling of the Earth

• melting of polar ice caps

• increase in oxygen levels

• reduction in greenhouse gases

What is haze?

   

• A type of clean air

• A form of air pollution

• A type of water pollution

• A kind of soil

What does PSI stand for?

   

• Pollution Standards Index

• Pollution Safety Index

• Pollution Severity Index

• Pollution Source Index