Glass milk bottles are collected, washed and then filled with milk again. Which statement about this is correct?
The bottles are recycled, so no energy is needed to wash them
The bottles are reduced, so less sand is quarried each year
The bottles are disposed of, so no raw materials are needed
The bottles are reused, so fewer new bottles need to be made
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.