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Is the Atmosphere's Composition Changing? | ![](/sites/dl/free/0073659630/title/danielson_cover_sm.jpg) |
Weblinks
Kinetic Theory | | Article from NASA on kinetic theory and molecules in motion. Good diagrams on temperature, pressure, and density can be seen by clicking on the key words. (
http://www.grc.nasa.gov/
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Atmospheric Layer Diagram | | Shows all four layers and their approximate altitudes from sea level; also includes the pauses. (
http://royal.okanagan.bc.ca/mpidwirn/atmosphereandclimate/atmslayers.html
) | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) |
Atmospheric Gases | | Table with all the gases, plus an explanation of each major one where it comes from and what it does. (
http://www.spiritone.com/~orsierra/rogue/backgrnd/atmosphr/atmosgas.htm
) | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) |
Atmospheric Structure Diagram | | Allows viewer to click on each layer for more information. (
http://www.bangor.ac.uk/~oss006/meteorology/struct01.html
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Ozone Depletion | | Article about ozone depletion in the Northern Hemisphere. (
http://www.metoffice.com/research/stratosphere/ozone/index.html
) | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) |
Air Pressure | | Article about air pressure including how, why, and where it changes. (
http://www.usatoday.com/weather/wbarocx.htm
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Air Pressure | | (
http://kids.earth.nasa.gov/archive/air_pressure/index.html
) | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) |
Acid Rain | | (
http://www.epa.gov/airmarkets/acidrain/
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