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Where Did The Atmosphere Come From

by srenshaw on May 23, 2008

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Where Did The Atmosphere Come From Presentation Transcript

Where did the atmosphere come from? By the end of the lesson you will understand how oxygen led to a revolution in the development of life
But first… a quick bit of Maths!
- How many hundreds in a thousand?
- How many thousands in a million?
- How many millions in a billion?
Where did the atmosphere come from? By the end of the lesson you will understand how oxygen led to a revolution in the development of life