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About Lecture Notes 4A - Chemistry in The Atmosphere 2019
The document discusses the composition and structure of Earth's atmosphere. It covers: 1) The atmosphere originated from gases like ammonia, methane and water. Photosynthesis introduced oxygen which accumulated over billions of years. 2) The permanent gases that make up 99% of the atmosphere are nitrogen (78%), oxygen (21%), argon (1%), and trace amounts of other noble gases. Variable gases like carbon dioxide and water vapor are also discussed. 3) The nitrogen, oxygen, carbon and water cycles maintain the composition of the atmosphere. Nitrogen fixation and lightning convert nitrogen to nitrates usable by plants. Photosynthesis increased oxygen levels.
Detailed Information
| Author: | ['Lena Bacani'] |
|---|---|
| Publication Year: | 2021 |
| Pages: | 39 |
| Language: | English |
| Format: | |
| Price: | FREE |
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