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9.2 Carbon dioxide and methane as greenhouse gases

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Question 22
H

Cutting down an area of forest and burning the wood increases the amount of carbon dioxide in the atmosphere in two ways. What are these two ways?

[1]
A

The wood releases carbon dioxide, and the bare soil absorbs less of it

B

The trees respire more quickly, and the wood releases carbon dioxide

C

The trees respire more quickly, and less is used in photosynthesis

D

The wood releases carbon dioxide, and less is used in 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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