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Below are the previews for the slide in Chemistry 9 - Chemistry of the Atmosphere. If you click on them, you can see larger versions. If you are on a computer you can press the left and right arrows to move. You can also click the arrows to the left and right of the screen.

Powerpoint Description:

This slideshow covers: the Earth's atmosphere and its composition, how the atmosphere has evolved, changes in oxygen and carbon dioxide levels, formation of oil and gas, global warming, the greenhouse effect, problems associated with human activities and pollution, possible effects of climate change, carbon footprint, ways to reduce a carbon footprint, pollution, formation of types of pollution such as carbon dioxide, carbon monoxide, sulfur dioxide and nitrogen oxides.

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