Which pair of human activities both increase the amount of carbon dioxide in the atmosphere?
Burning wood and cutting down areas of forest
Burning natural gas and growing rice in flooded fields
Farming cattle and burying waste in landfill sites
Farming cattle and burning coal in power stations
40 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.