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Composition of the Atmosphere

Nitrogen and oxygen are the major gases in the atmosphere; the minor gases include carbon dioxide.

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Trouble in the Troposphere - A Lesson on Tropospheric Ozone Lesson Plan
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Students use data to create graphs comparing the ozone levels in various US cities, analyze and evaluate trends, and determine how humans have affected air quality and what steps can be done to preserve air quality. Lesson includes vocabulary, background information, activity, online resources and extension.
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