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Paper 2, Variant 3, Oct Nov 2022 | Cambridge AS - A Level Law (9084) Past Papers

1. Measuring pH – Methods for measuring pH in water samples and explaining the difference in results from two methods.
2. Impact of Hydrothermal Vents – Identifying the water sample near a hydrothermal vent and explaining its pH difference.
3. Dissolved Oxygen Levels – Explaining why dissolved oxygen is higher in surface open ocean water compared to hydrothermal vent water.
4. Diatoms and Biofuel – Describing diatom structure, their photosynthesis process, and their potential for biofuel production.
5. Energy Transfer Efficiency – Calculating energy transfer efficiency between trophic levels and creating a pyramid of energy.
6. Mangrove Biodiversity – Using Simpson’s index to measure biodiversity in mangrove areas and discussing the impact of invasive species.
CIE AS & A Level Law (9084) Nov 2022

Laura Bellini

Classification: Paper 2
Page count: 16
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Last update: 23 days ago
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