A life cycle assessment is carried out for a mains-powered steel desk lamp. It includes obtaining iron ore, making and packaging the lamp, transporting it to shops, using it and sending it to landfill.
Which finding could most easily be given an objective numerical value?
The harm done to wildlife living near the iron ore mine
The mass of steel in each finished lamp
The effect on nearby residents of the landfill site for old lamps
The disturbance to local people from lorries delivering the lamps
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.