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EnglandChemistryQuick questions
4.9 Chemistry of the atmosphere
Quick questions on The evolution of the atmosphere - AQA GCSE Chemistry
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State the approximate proportions of nitrogen and oxygen in today's atmosphere. [2 marks]
What is q2?Show answer
Explain how oxygen first built up in the atmosphere. [2 marks]
What is q3?Show answer
Name one way carbon was locked up out of the atmosphere. [1 mark]
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