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9.2 Carbon dioxide and methane as greenhouse gases

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Question 4
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Figure shows the amount of carbon dioxide in the atmosphere between 1960 and 2020.

Figure: The amount of carbon dioxide in the atmosphere between 1960 and 2020

image

a.

Use Figure. Give the amount of carbon dioxide in the atmosphere in 1990.

[1]
b.

Use Figure. Describe how the rate of increase in the amount of carbon dioxide changed between 1960 and 2020.

[1]
c.

Give two human activities that caused the increase shown in Figure.

[2]
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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