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level: Chemistry of the Atmosphere

Questions and Answers List

level questions: Chemistry of the Atmosphere

QuestionAnswer
Composition of today's atmosphereApprox: 80% nitrogen, 20% oxygen, small amounts of other gases
Composition of early atmosphereMostly carbon dioxide, minimal oxygen, nitrogen and small amounts of methane and ammonia
Theory of how early atmosphere formedSurface covered in volcanoes that erupted releasing lots of gases
How did the early atmosphere become the present atmosphere?Water vapour condensed forming oceans Oceans dissolved carbon dioxide Oxygen levels built up over time from photosynthesis
Describe non/renewable resources from the earth and atmosphereCrude oil and fossil fuels from compressed layers of dead animals and sediment Geothermal power, hydropower, wind power, biomass