Which option shows a human activity that increases the amount of carbon dioxide and a human activity that increases the amount of methane in the atmosphere?
Carbon dioxide: rearing cattle; methane: burning fossil fuels
Carbon dioxide: burning fossil fuels; methane: rearing cattle
Carbon dioxide: planting forests; methane: landfill sites
Carbon dioxide: burning fossil fuels; methane: planting forests
51 exam-style questions on OCR GCSE Chemistry 6.3 Interpreting and interacting with earth systems, covering 6.3.1 Formation and evolution of the atmosphere, 6.3.2 The greenhouse effect and climate change, 6.3.3 Sources and problems of atmospheric pollutants, and 6.3.4 Producing potable water. Each one has a worked solution and a mark scheme showing where the marks go.