Exam 19: Air Pollution

In sunny cities such as Los Angeles, the ever-rising automobile population and the large petroleum processing plants generate ____________________smog, which irritates the eyes.

The origin of the gases called oxides of nitrogen in the atmosphere begins ____.

Compare radiation inversions and subsidence inversions. Which type of inversion is typically associated with episodes of major air pollution?

Which of the following is not a factor affecting air pollution?

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

Discuss the role of topography in air pollution.

Volatile organic compounds (VOCs)represent a class of organic compounds that are mainly____________________, containing only hydrogen and carbon.

Pollutants that enter the atmosphere directly, for example from smokestacks and tail pipes, are called secondary air pollutants.

When the pollutant's value is the same as the primary ambient air quality standard, the pollutant is assigned an AQI number of ____.

What is atmospheric stagnation and when might it occur?

To help reduce emissions that lead to acid precipitation, the United States implemented ____ by which companies that reduced their emissions could sell allowances to other companies that had yet to do so.

The stability of the atmosphere is determined by the way the air temperature changes with height, which is called the____________________.

Pollutants from dust storms include ____.

Describe what VOCs are. What are some examples of VOCs?

Why has so much attention been placed on reducing the depletion of stratospheric ozone?

Once released into the atmosphere, chlorofluorocarbons remain about ____.

Pollutants associated with plastics are gaseous resins.

When chlorofluorocarbons are subjected to ultraviolet radiation, ____ is released, which rapidly destroys ozone.

The greenhouse gas carbon dioxide (CO₂)is not covered by the Clean Air Act.

The main component of photochemical smog is the gas____________________.