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9.1 The composition and evolution of the Earth's atmosphere

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Question 4

A cliff on the coast is made of limestone. Scientists say that the carbon in this rock was once part of the carbon dioxide in the Earth's early atmosphere.

Explain how the carbon from the carbon dioxide became stored in the limestone.

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9.1 The composition and evolution of the Earth's atmosphere Questions

  1. GCSE
  2. /Chemistry
  3. /9.1 The composition and evolution of the Earth's atmosphere

79 exam-style questions on AQA GCSE Chemistry 9.1 The composition and evolution of the Earth's atmosphere, covering 9.1.1 The proportions of different gases in the atmosphere, 9.1.2 The Earth's early atmosphere, 9.1.3 How oxygen increased, and 9.1.4 How carbon dioxide decreased. Each one has a worked solution and a mark scheme showing where the marks go.

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