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Env Finals 17
chapter 17
20
Environmental Studies
Undergraduate 2
12/04/2014

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Cards

Term
The layer of air closest to the Earth, the layer we live in, is the ____________________.
Definition
troposphere
Term
The major legislation that dictates federal air pollution policy is the ____________________ ____________________ ____________________.
Definition
clean air act
Term
____________________ in the stratosphere absorbs ultraviolet radiation.
Definition
ozone
Term
The ozone hole occurs in the layer of the atmosphere known as the ____________________.
Definition
stratosphere
Term
As early multicellular organisms evolved, they released more ____ into the atmosphere.
Definition
oxygen
Term
The most abundant constituent of our atmosphere is ____.
Definition
nitrogen
Term
A/An ____ is used to measure air pressure.
Definition
barometer
Term
The largest source of air pollutants in the United States is/are ____.
Definition
transportation
Term
____ is the release of volatiles from Earth's mantle in volcanic eruptions.
Definition
outgassing
Term
During photosynthesis, plants convert ____ and ____ to organic sugars and oxygen.
Definition
carbon dioxide, water
Term
Solar energy breaks oxygen molecules apart in the stratosphere, releasing ____, which combine(s) with additional oxygen molecules to form ____.
Definition
oxygen atoms, ozone
Term
the atmosphere
Definition
becomes less dense with increases altitude
Term
The highest portion of the atmosphere that absorbs high-energy radiation is the:
Definition
thermosphere
Term
Which of the following orders of the layers of the atmosphere is correct? (Start with the lowest layer.)
Definition
troposphere < stratosphere < mesosphere < thermosphere
Term
The primary source of sulfur oxide pollution is/are:
Definition
coal-fired electric generators
Term
If pure coal burned completely, it would produce:
Definition
carbon dioxide and water
Term
smog is produce
Definition
when sunlight reacts with automobile exhaust
Term
Chlorofluorocarbons
Definition
react to destroy ozone
Term
T/F The Clean Air Act has not led to a decrease in the total pollution level or improved air quality in the United States in the past 30 years.
Definition
False
Term
T/F Ozone is both a pollutant and a beneficial component of the atmosphere, depending on elevation.
Definition
True
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