A life cycle assessment compares a steel filing cabinet with a wooden filing cabinet. Measurements are recorded for both cabinets at every stage of their lives.
Which decision made when comparing the cabinets is a value judgement?
Decide that using less energy matters more than producing less waste
Use kilograms per cabinet to compare the waste produced at disposal
Use megajoules per cabinet to compare the energy used during manufacture
Use litres of fuel per cabinet to compare the fuel burned during transport
99 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.