as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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list five features of the earth's atmosphere.
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the five primary features of the earth's atmosphere are: 
1. nitrogen (78%)
2. oxygen (21%)
3. water vapor (0.04%)
4. carbon dioxide (0.04%)
5. other trace gases (ozone, methane, etc) (0.92%)
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