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9.2 Carbon dioxide and methane as greenhouse gases

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Question 11
H

An airline states that its flights are carbon neutral because it plants trees to off-set the carbon dioxide released by its aeroplanes.

a.

Explain how planting trees can reduce the carbon footprint of the airline.

[2]
b.

Give two reasons why the airline's claim that its flights are carbon neutral may not be correct.

[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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