Cambridge Notes
IGCSE
Subject 0680
Topic 9.9.4

Subject 0680 9.9.4 Notes — IGCSE

Cambridge IGCSE Subject 0680 (0680) revision notes — topic 9.9.4. Syllabus-aligned key concepts for CAIE exam preparation.

1. Rocks and minerals and their exploitation

1.1 Formation of rocks
1.2 Extraction of rocks and minerals from the Earth
1.3 Impact of rock and mineral extraction
1.4 Managing the impact of rock and mineral extraction
1.5 Sustainable use of rocks and minerals
1.6 Case study

2. Energy and the environment

2.1 Fossil fuel formation
2.2 Energy resources and the generation of electricity
2.3 Energy demand
2.4 Conservation and management of energy resources
2.5 Impact of oil pollution
2.6 Management of oil pollution
2.7 Case study

3. Agriculture and the environment

3.1 Soil composition
3.3 Agriculture types
3.4 Increasing agricultural yields
3.5 Impact of agriculture
3.6 Causes and impacts of soil erosion
3.7 Managing soil erosion
3.8 Sustainable agriculture

4. Water and its management

4.2 The water cycle
4.3 Water supply
4.4 Water usage
4.5 Water quality and availability
4.6 Multipurpose dam projects
4.7 Water pollution and its sources
4.8 Impact of water pollution
4.9 Managing pollution of fresh water
4.10 Managing water-related disease
4.11 Case studies

5. Oceans and fisheries

5.1 Oceans as a resource
5.2 World fisheries
5.3 Impact of exploitation of the oceans
5.4 Management of the harvesting of marine species
5.5 Case studies

6. Managing natural hazards

6.1 Earthquakes and volcanoes
6.2 Tropical cyclones
6.3 Flooding
6.4 Drought
6.5 The impacts of natural hazards
6.6 Managing the impacts of natural hazards
6.7 Opportunities presented by natural hazards
6.8 Case studies

7. The atmosphere and human activities

7.1 The atmosphere
7.2 Atmospheric pollution and its causes
7.3 Impact of atmospheric pollution
7.4 Managing atmospheric pollution
7.5 Case study

8. Human population

8.1 Human population distribution and density
8.2 Changes in population size
8.3 Population structure
8.4 Managing human population size
8.5 Case study

9. Natural ecosystems and human activities

9.1 Ecosystems
9.2 Ecosystems under threat
9.3 Deforestation
9.4 Managing forests
9.5 Measuring and managing biodiversity
9.6 Case studies

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