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9.2 Earth and atmospheric science

9.2 Earth and atmospheric science

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Question 20

Identify and describe two distinct human activities that have led to an increase in the concentration of carbon dioxide (CO2CO_2CO2​) in today's atmosphere.

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Markscheme

9.2 Earth and atmospheric science Questions

  1. GCSE
  2. /Chemistry
  3. /9.2 Earth and atmospheric science

97 exam-style questions on Edexcel GCSE Chemistry 9.2 Earth and atmospheric science, covering 9.2.1 The Earth's early atmosphere, 9.2.2 How the atmosphere evolved, 9.2.3 Chemical test for oxygen, and 9.2.4 The greenhouse effect and climate change. Each one has a worked solution and a mark scheme showing where the marks go.

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