AP Environmental Unit 7 Air Pollution Vocabulary

Which of the following best describes how a scientist could accurately study the effects of soil buffering on plant growth in a region that is affected by acid deposition downwind of a coal-burning power plant?

• Measure changes in plant height over a year in a two different groups of trees; one group is 5km from the power plant and one group is 10km from the power plant.

• Measure the changes in plant height over a year in two different groups of trees the same distance from the power plant; one group is in topsoil and one group is in topsoil with limestone added.

• Measure changes in plant biomass over a year in two different groups of trees the same distance from the power plant; one group is not manipulated and one group is watered daily to dilute the deposition's acidity.

• Measure changes in plant biomass over a year in two different groups of trees; one group is 5km from the power plant over limestone bedrock and one group is 10km from the power plant that has nitrogen and phosphorus added to the topsoil.

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An experiment to evaluate the efficiency of wet and dry scrubber networks that filter particulate gas at different flow rates was conducted under different flow rate conditions. The results are shown below. Based on the data in the graph, which of the following methods would be most effective at removing the greatest amount of particulate matter from coal-burning power plant emissions?

• Dry scrubbers using a flow rate of 200 L/min are best suited to remove small particles.

• Dry scrubbers using a flow rate of 450 L/min are best suited to remove large particles.

• Wet scrubbers using a flow rate of 300 L/min are best suited to remove small particles.

• Wet scrubbers using a flow rate of 450 L/min are best suited to remove large particles.

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Smog or ground ozone forms in the troposphere. Which pollutants are most responsible for smog or ground ozone?

• sulfur and particulate matter

• volatile organic compounds and nitrogen oxides

• carbon monoxide and carbon dioxide

• none of these answers are correct

Which of these problems can be caused by air pollution?

• Respiratory problems

• Reduced food sources for humans

• Increased disease for humans

• Decrease in global temperatures

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

• paint and paint thinners

• gasoline

• water vapor

• formaldehyde

• smog

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What are the pollutants known to cause acid rain?

• nitrogen oxides and sulfur dioxide (sulfur compounds)

• Low pH and Acid

• Lemon Juice and Battery Acid

• Particulate Matter and Carbon Dioxide

CFC's cause harm to our 

• Troposphere

• Inversion Layer

• Ozone Layer

• Carbon Dioxide

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When the Ozone Layer loses Ozone what happens to organisms on the earth's surface?

• They are exposed to Smog

• Nothing happens

• They are exposed to Acid Rain

• They are exposed to Ultraviolet B Radiation

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A colorless, odorless gas

• Nitrogen oxides

• Ground-level ozone

• Carbon monoxide

• Sulfur dioxide

The Clean Air Act- regulates vehicle emissions.

• true

• false