Two research groups carry out life cycle assessments on the same washing machine. The two groups reach different conclusions.
Explain why a life cycle assessment is not a purely objective process.
Give two quantities in a life cycle assessment that can be quantified fairly easily.
40 exam-style questions on AQA GCSE Chemistry 10.2 Life cycle assessment and recycling, covering 10.2.1 Life cycle assessment and 10.2.2 Ways of reducing the use of resources. Each one has a worked solution and a mark scheme showing where the marks go.