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9.2 Earth and atmospheric science

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Question 5
F

Which sequence best describes atmospheric evolution?

[1]
A

Ocean formation, volcanic gases, photosynthesis, oxygen increase

B

Volcanic gases, photosynthesis, ocean formation, oxygen increase

C

Volcanic gases, oxygen increase, ocean formation, photosynthesis

D

Volcanic gases, ocean formation, photosynthesis, oxygen increase

Markscheme

9.2 Earth and atmospheric science Questions

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

35 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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