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GCSE Exam GCSE Synergy Biology
4.4.1.1 Development of the Earth’s atmosphere
4.4.1.2 The carbon cycle
4.4.1.3 The greenhouse effect
4.4.1.4 Human impacts on the climate
4.4.1.5 Climate change: impacts and mitigation
4.4.1.6 Pollutants that affect air quality
4.4.1.7 The water cycle
4.4.1.8 Sources of potable water