Questions and Answers
What is the mole fraction of oxygen in dry air?
20.95%
What is the approximate average water vapor content in the atmosphere at sea level?
1%
Which gas makes up the largest mole fraction in dry air?
Nitrogen
What role does the Earth's atmosphere play in reducing temperature extremes between day and night?
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At what altitude do air composition, temperature, and atmospheric pressure vary?
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What is the approximate mole fraction of nitrogen in dry air?
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What is the approximate mole fraction of oxygen in dry air?
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What is the approximate mole fraction of argon in dry air?
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What is the approximate mole fraction of carbon dioxide in dry air?
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What is the average water vapor content in the atmosphere at sea level?
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