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9.2 Carbon dioxide and methane as greenhouse gases

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Question 19
H

Which statement describes how greenhouse gases in the atmosphere keep the Earth's surface warm?

[1]
A

They absorb long wavelength radiation and then emit it in all directions

B

They reflect long wavelength radiation back towards the Earth's surface

C

They absorb short wavelength radiation before it reaches the Earth's surface

D

They reflect short wavelength radiation back towards the Earth's surface

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

40 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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