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Earth and atmospheric science

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Question 24

Which of the following is a correct statement about the relative percentages of carbon dioxide and oxygen in the Earth's atmosphere today?

A high percentage of carbon dioxide and a high percentage of oxygen

A high percentage of carbon dioxide and a low percentage of oxygen

A low percentage of carbon dioxide and a high percentage of oxygen

A low percentage of carbon dioxide and a low percentage of oxygen

Earth and atmospheric science Questions

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

Practise Edexcel GCSE Chemistry Earth and atmospheric science with exam-style questions for Foundation and Higher tier. 62 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank