Criteria Air Pollutants

Ground level ozone (also known as tropospheric ozone) is ______________________.

• a significant source of air pollution and contributes to the formation of smog

• also found in the exosphere

• found only in rural areas

• a significant source of air pollution and contributes to the increase in the hole in the ozone layer.

Ozone is made up of __________________ oxygen atoms.

• 3

• 2

• 1

• 5

The atmospheric layer that humans live in is known as the _____________________.

• troposphere.

• stratosphere.

• exosphere.

• thermosphere.

"Criteria Air Pollutants" were established by the _________________________________.

• Environmental Protection Agency (EPA)

• Department of the Interior (DI)

• Center for Disease Control (CDC)

• United Nations (UN)

Nitrous oxides enter the atmosphere from _____________________.

• fossil fuels

• meteorites

• ozone depletion

• CFC's

Chlorofluorocarbons is represented by the abbreviation _________________.

• CFC

• ChFC

• Chl

• hydrocarbons

Bad or Hazardous ozone is found in the _______________________________.

• troposphere

• stratosphere

• mesosphere

• thermosphere

The most common source of carbon monoxide comes from _____________________________.

• vehicles

• swamp gases

• industrial sources

• none of these

Which of the following is an adverse health effect from air pollution?

• allergic reactions

• bronchial inflammation

• eye and lung irritants

• All of these are correct

Over the past 30 years, air quality in the United States has generally _______________

• improved
• declined