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9.2 Carbon dioxide and methane as greenhouse gases

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Question 9
F

Cutting down large areas of forest increases the amount of carbon dioxide in the atmosphere. Which statement explains why?

[1]
A

Fewer trees release carbon dioxide into the air by respiration

B

The soil that is uncovered absorbs less carbon dioxide from the air

C

The wood that is left behind reacts slowly with oxygen in the air

D

Fewer trees remove carbon dioxide from the air by photosynthesis

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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