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9.2 Carbon dioxide and methane as greenhouse gases

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Question 13

A scientist uses two simplified models of the Earth. Each model receives the same amount of short-wavelength radiation from the Sun. Model B contains greenhouse gases, but model A does not.

ModelShort-wavelength radiation reaching the surface in W/m²Infrared radiation escaping from the model in W/m²
A240240
B240160

Use the data and your knowledge of the greenhouse effect to explain why the surface of model B is expected to become warmer than the surface of model A.

[4]
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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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