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9.2 Carbon dioxide and methane as greenhouse gases

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Question 17
F

An agreement between countries to reduce methane emissions is difficult to put into action. Which reason for this is about economics rather than about science?

[1]
A

Farmers would lose income if they kept smaller numbers of cattle

B

Models of the climate are simplified and so they are uncertain

C

The effect of methane on the climate is not yet fully understood

D

Methane is released by natural processes as well as by humans

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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