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Botkin Environmental Science Earth as Living Planet 8th txtbk

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21.1 Air Pollution in the Lower Atmosphere 463<br />

Stationary and Mobile Sources<br />

of Air Pollution<br />

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Stationary sources<br />

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Mobile sources -<br />

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General Effects of Air Pollution<br />

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FIGURE 21.1<br />

of air pollution.<br />

This steel mill in Beijing, China, is a major source<br />

FIGURE 21.2 Burning sugarcane fields, Maui, Hawaii—an<br />

example of a fugitive source of air pollution.<br />

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