GCSE AQA Chemistry: Topic 9- Chemistry of the Atmo
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GCSE AQA Chemistry: Topic 9- Chemistry of the Atmosphere Rated A+ 1. What is the composition of the current atmosphere? Answer: The current atmosphere consists of approximately 80% nitrogen, 20% oxygen, 0.04% carbon dioxide, and 0.9% argon. 2. How was the early atmosphere formed? Answer: The early atmosphere was formed through frequent volcanic eruptions that released gases such as carbon dioxide, methane, ammonia, and water vapor. 3. What were the main gases in the early atmospher...