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9.2 Carbon dioxide and methane as greenhouse gases

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Question 23

Scientists compare two reports about methane absorbing infrared radiation.

ReportChecks before publicationInformation published
PThree atmospheric chemists who were not involved in the research examined the study.The full methods, measurements and conclusion.
QThe organisation's communications team checked the spelling and presentation.A summary of the conclusion only.

Evaluate which report provides the stronger evidence for its conclusion.

[3]
Markscheme

9.2 Carbon dioxide and methane as greenhouse gases Questions

  1. GCSE
  2. /Chemistry
  3. /9.2 Carbon dioxide and methane as greenhouse gases

73 exam-style questions on AQA GCSE Chemistry 9.2 Carbon dioxide and methane as greenhouse gases, covering 9.2.1 Greenhouse gases, 9.2.2 Human activities which contribute to an increase in greenhouse gases in the, 9.2.3 Global climate change, and 9.2.4 The carbon footprint and its reduction. Each one has a worked solution and a mark scheme showing where the marks go.

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