Atmospheric Pollution
Which of the following is a primary air pollutant?
Ozone ()
Nitrogen Dioxide ()
Photochemical Smog
Sulfuric Acid ()
Which of the following is an example of a primary air pollutant?
Tropospheric Ozone ()
Carbon Monoxide (CO)
Photochemical Smog
Acid Rain
Which of the following is a primary air pollutant?
Ozone ()
Sulfuric Acid ()
Sulfur Dioxide ()
Photochemical Oxidants
Which of the following is a secondary air pollutant?
Carbon Monoxide (CO)
Nitrogen Dioxide ()
Sulfur Dioxide ()
Tropospheric Ozone ()
Which of the following pollutants is formed through reactions involving nitrogen oxides (), volatile organic compounds (VOCs), and sunlight?
Sulfur Dioxide ()
Carbon Monoxide (CO)
Particulate Matter (PM)
Tropospheric Ozone ()
A power plant releases nitrogen oxides () and sulfur dioxide (). Which of the following secondary pollutants is most likely to form as a result?
Methane ()
Tropospheric Ozone ()
Carbon Dioxide ()
Ammonia ()
What are the key ingredients for the formation of photochemical smog?
Carbon Monoxide, Methane, and Darkness
Nitrogen Oxides, VOCs, and Sunlight
Sulfur Dioxide, Particulate Matter, and Rain
Ozone, Radon, and Wind

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Which of the following chemical reactions is most directly involved in the formation of photochemical smog?
The reaction between sulfur dioxide and water vapor to form acid rain.
The reaction between nitrogen oxides and volatile organic compounds in the presence of sunlight.
The combination of carbon dioxide and water to produce glucose during photosynthesis.
The breakdown of ozone in the stratosphere by chlorofluorocarbons (CFCs).
In a city with high levels of photochemical smog, which of the following volatile organic compounds (VOCs) would likely have the greatest impact on the rate of ozone formation?
Methane () from natural gas leaks
Benzene () from industrial processes
Carbon Dioxide () from vehicle emissions
Water Vapor () from evaporation
What is a thermal inversion?
A decrease in air temperature with increasing altitude.
A normal atmospheric condition that promotes air mixing.
A condition where a layer of warm air sits on top of a layer of cooler air, trapping pollution.
A process that cleans the air by dispersing pollutants.