Question 1

Provide a brief overview of when and why the Clean Air Act was enacted in the United States. Also, include a discussion of revisions to the Clean Air Act.​

Accepted Answer

Answers may vary, but should include the

Question 2

​Polar stratospheric clouds are thought to contribute to the problem of ____.

Accepted Answer

A)  ​global warming 
B)  ​ozone destruction 
C)  ​acid rain 
D)  ​photochemical smog 
E)  ​radio wave interference 
A)  ​global warming 
B)  ​ozone destruction 
C)  ​acid rain 
D)  ​photochemical smog 
E)  ​radio wave interference

Question 3

Describe how the semipermanent Pacific high off the coast of California contributes to air pollution in that region.

Accepted Answer

The position of the semipermanent Pacifi

Question 4

Smoke emitted into a stable atmosphere tends to spread horizontally, rather than mix vertically.​

Accepted Answer

A) True 
 B)False

Question 5

Provide a brief explanation of the Montreal Protocol.

Accepted Answer

The discovery of the ozone hole added ur

Question 6

Ozone (O3) forms naturally in the____________________when atomic oxygen (O) combines with molecular oxygen (O2) in the presence of another molecule.​

Accepted Answer

Question 7

Sulfur dioxide (SO2) can enter the atmosphere naturally during volcanic eruptions and from ocean spray.​

Accepted Answer

A) True 
 B)False

Question 8

​Suspended particles from sources in Europe and the former Soviet Union are believed responsible for the brownish cloud layer called ____ that forms over the Arctic each spring.

Accepted Answer

A)  ​the ozone hole 
B)  ​Asian dust 
C)  ​Arctic haze 
D)  ​acid rain 
E)  ​acid fog 
A)  ​the ozone hole 
B)  ​Asian dust 
C)  ​Arctic haze 
D)  ​acid rain 
E)  ​acid fog

Question 9

The original Clean Air Act in the United States was enacted in ____.​

Accepted Answer

A)  ​1946 
B)  ​1955 
C)  ​1970 
D)  ​1977 
E)  ​1990 
A)  ​1946 
B)  ​1955 
C)  ​1970 
D)  ​1977 
E)  ​1990

Question 10

Air pollutants can come from both natural sources and human activities.​

Accepted Answer

A) True 
 B)False

Question 11

​Collectively, particles of soot, smoke, dust, and pollen are called ____.

Accepted Answer

A)  ​hydrocarbons 
B)  ​aerosols 
C)  ​carcinogens 
D)  ​haze 
E)  ​CFCs 
A)  ​hydrocarbons 
B)  ​aerosols 
C)  ​carcinogens 
D)  ​haze 
E)  ​CFCs

Question 12

​Since the____________________of 1970, emissions of most pollutants have fallen off substantially, with lead showing the greatest reduction, primarily due to the elimination of leaded gasoline.

Accepted Answer

The answer of ​Since the____________________of 1970, emissions of most pollutants...

Question 13

​Sometimes a light breeze which may be called a ____, blows from the countryside into the city.

Accepted Answer

A)  ​subsidence inversion 
B)  ​city breeze 
C)  ​cool front 
D)  ​surface inversion 
E)  ​country breeze 
A)  ​subsidence inversion 
B)  ​city breeze 
C)  ​cool front 
D)  ​surface inversion 
E)  ​country breeze

Question 14

In the 1970s,____________________were the most widely used propellants in spray cans, such as deodorants and hairsprays.

Accepted Answer

chlorofluorocarbons

Question 15

​What gas is produced naturally in the stratosphere and is also a primary component of photochemical smog in polluted air at the surface?

Accepted Answer

A)  ​carbon dioxide 
B)  ​carbon monoxide 
C)  ​ozone 
D)  ​nitrogen dioxide 
E)  ​hydrocarbons 
A)  ​carbon dioxide 
B)  ​carbon monoxide 
C)  ​ozone 
D)  ​nitrogen dioxide 
E)  ​hydrocarbons

Question 16

To indicate the air quality in a particular region, the EPA developed the____________________,which includes the pollutants carbon monoxide, sulfur dioxide, nitrogen dioxide, particulate matter, and ozone.​

Accepted Answer

air qualit

Question 17

Strong winds tend to____________________the concentration of pollutants by spreading them apart as they move downstream.​

Accepted Answer

The answer of Strong winds tend to____________________the concentration of pollutants...

Question 18

​____ ecosystems seem to be particularly sensitive to changes in acidity.

Accepted Answer

A)  ​Freshwater 
B)  ​Marine 
C)  ​Forest 
D)  ​Grassland 
E)  ​Alpine 
A)  ​Freshwater 
B)  ​Marine 
C)  ​Forest 
D)  ​Grassland 
E)  ​Alpine

Question 19

​Ozone, PAN, and small amounts of other oxidating pollutants are the ingredients of photochemical smog and grouped under a single heading called ____.

Accepted Answer

A)  ​NOx compounds 
B)  ​volatile organic compounds 
C)  ​hydrocarbons 
D)  ​radicals 
E)  ​photochemical oxidants 
A)  ​NOx compounds 
B)  ​volatile organic compounds 
C)  ​hydrocarbons 
D)  ​radicals 
E)  ​photochemical oxidants

Question 20

​A study conducted in St. Louis, Missouri, showed that precipitation amounts downwind from the city were ____ than ____.

Accepted Answer

A)  ​less on Mondays; on Fridays 
B)  ​greater on weekdays; on weekends 
C)  ​greater on weekdays; on weekends. 
D)  ​greater in spring; in fall 
E)  ​less in spring; fall 
A)  ​less on Mondays; on Fridays 
B)  ​greater on weekdays; on weekends 
C)  ​greater on weekdays; on weekends. 
D)  ​greater in spring; in fall 
E)  ​less in spring; fall

Provide a brief overview of when and why the Clean Air Act was enacted in the United States. Also, include a discussion of revisions to the Clean Air Act.

Polar stratospheric clouds are thought to contribute to the problem of ____.

Describe how the semipermanent Pacific high off the coast of California contributes to air pollution in that region.

Smoke emitted into a stable atmosphere tends to spread horizontally, rather than mix vertically.

Provide a brief explanation of the Montreal Protocol.

Ozone (O₃) forms naturally in the____________________when atomic oxygen (O) combines with molecular oxygen (O₂) in the presence of another molecule.

Sulfur dioxide (SO₂) can enter the atmosphere naturally during volcanic eruptions and from ocean spray.

Suspended particles from sources in Europe and the former Soviet Union are believed responsible for the brownish cloud layer called ____ that forms over the Arctic each spring.

The original Clean Air Act in the United States was enacted in ____.

Air pollutants can come from both natural sources and human activities.

Collectively, particles of soot, smoke, dust, and pollen are called ____.

Since the____________________of 1970, emissions of most pollutants have fallen off substantially, with lead showing the greatest reduction, primarily due to the elimination of leaded gasoline.

Sometimes a light breeze which may be called a ____, blows from the countryside into the city.

In the 1970s,____________________were the most widely used propellants in spray cans, such as deodorants and hairsprays.

What gas is produced naturally in the stratosphere and is also a primary component of photochemical smog in polluted air at the surface?

To indicate the air quality in a particular region, the EPA developed the____________________,which includes the pollutants carbon monoxide, sulfur dioxide, nitrogen dioxide, particulate matter, and ozone.

Strong winds tend to____________________the concentration of pollutants by spreading them apart as they move downstream.

____ ecosystems seem to be particularly sensitive to changes in acidity.

Ozone, PAN, and small amounts of other oxidating pollutants are the ingredients of photochemical smog and grouped under a single heading called ____.

A study conducted in St. Louis, Missouri, showed that precipitation amounts downwind from the city were than .

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Light - Color and Atmospheric Optics

Filters

Exam 19: Air Pollution

Provide a brief overview of when and why the Clean Air Act was enacted in the United States. Also, include a discussion of revisions to the Clean Air Act.​

​Polar stratospheric clouds are thought to contribute to the problem of ____.

Describe how the semipermanent Pacific high off the coast of California contributes to air pollution in that region.

Smoke emitted into a stable atmosphere tends to spread horizontally, rather than mix vertically.​

Provide a brief explanation of the Montreal Protocol.

Ozone (O3) forms naturally in the____________________when atomic oxygen (O) combines with molecular oxygen (O2) in the presence of another molecule.​

Sulfur dioxide (SO2) can enter the atmosphere naturally during volcanic eruptions and from ocean spray.​

​Suspended particles from sources in Europe and the former Soviet Union are believed responsible for the brownish cloud layer called ____ that forms over the Arctic each spring.

The original Clean Air Act in the United States was enacted in ____.​

Air pollutants can come from both natural sources and human activities.​

​Collectively, particles of soot, smoke, dust, and pollen are called ____.

​Since the____________________of 1970, emissions of most pollutants have fallen off substantially, with lead showing the greatest reduction, primarily due to the elimination of leaded gasoline.

​Sometimes a light breeze which may be called a ____, blows from the countryside into the city.

In the 1970s,____________________were the most widely used propellants in spray cans, such as deodorants and hairsprays.

​What gas is produced naturally in the stratosphere and is also a primary component of photochemical smog in polluted air at the surface?

To indicate the air quality in a particular region, the EPA developed the____________________,which includes the pollutants carbon monoxide, sulfur dioxide, nitrogen dioxide, particulate matter, and ozone.​

Strong winds tend to____________________the concentration of pollutants by spreading them apart as they move downstream.​

​____ ecosystems seem to be particularly sensitive to changes in acidity.

​Ozone, PAN, and small amounts of other oxidating pollutants are the ingredients of photochemical smog and grouped under a single heading called ____.

​A study conducted in St. Louis, Missouri, showed that precipitation amounts downwind from the city were ____ than ____.

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Light - Color and Atmospheric Optics

Filters

Provide a brief overview of when and why the Clean Air Act was enacted in the United States. Also, include a discussion of revisions to the Clean Air Act.

Polar stratospheric clouds are thought to contribute to the problem of ____.

Smoke emitted into a stable atmosphere tends to spread horizontally, rather than mix vertically.

Ozone (O₃) forms naturally in the____________________when atomic oxygen (O) combines with molecular oxygen (O₂) in the presence of another molecule.

Sulfur dioxide (SO₂) can enter the atmosphere naturally during volcanic eruptions and from ocean spray.

Suspended particles from sources in Europe and the former Soviet Union are believed responsible for the brownish cloud layer called ____ that forms over the Arctic each spring.

The original Clean Air Act in the United States was enacted in ____.

Air pollutants can come from both natural sources and human activities.

Collectively, particles of soot, smoke, dust, and pollen are called ____.

Since the____________________of 1970, emissions of most pollutants have fallen off substantially, with lead showing the greatest reduction, primarily due to the elimination of leaded gasoline.

Sometimes a light breeze which may be called a ____, blows from the countryside into the city.

What gas is produced naturally in the stratosphere and is also a primary component of photochemical smog in polluted air at the surface?

To indicate the air quality in a particular region, the EPA developed the____________________,which includes the pollutants carbon monoxide, sulfur dioxide, nitrogen dioxide, particulate matter, and ozone.

Strong winds tend to____________________the concentration of pollutants by spreading them apart as they move downstream.

____ ecosystems seem to be particularly sensitive to changes in acidity.

Ozone, PAN, and small amounts of other oxidating pollutants are the ingredients of photochemical smog and grouped under a single heading called ____.

A study conducted in St. Louis, Missouri, showed that precipitation amounts downwind from the city were than .