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9.2 Carbon dioxide and methane as greenhouse gases

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Question 10

A manufacturer estimates the carbon footprint of a gas boiler. The estimate includes the greenhouse gases released while the boiler is made and when it is disposed of. Which emission is missing from the estimate?

[1]
A

Carbon dioxide released while the boiler heats a home over many years

B

Carbon dioxide breathed out by the family living in the home it heats

C

Greenhouse gases released when the boiler is scrapped at the end of its life

D

Carbon dioxide released by the factory while the boiler is being built

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

73 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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