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Group Task 1 : Find the definitions of the concepts.

1. What is the energy crisis that South Africa is undergoing?

2. What is the source of South Africa’s energy?

3. Why would alternative energy sources be valuable?

4. Name the types of alternate energy sources.

5. Where do these energy sources come from?

6. What is the composition of fossil fuels (eg. Coal & petroleum)?

7. How is oil or gas used?

8. What are bio-fuels?

9. What is meant by mechanical process?

10. What is meant by chemical process?