Available PDFs

Science

• Index

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• 1. Crop Production and Management

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• 2. Microorganisms: Friend and Foe

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• 3. Synthetic Fibres and Plastics

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• 4. Materials: Metals and Non-Metals

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• 5. Coal and Petroleum

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• 6. Conservation of Plants & Animals

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• 7. Force and Pressure

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• 8. Friction

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• 9. Sound

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• 10. Combustion and Flame

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• 11. Cell-structure and Functions

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• 12. Reproduction in Animals

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• 13. Reaching the Age of Adolescence

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• 14. Chemical Effects of Electric Current

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• 15. Some Natural Phenomena

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• 16. Light

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• 17. Stars and the Solar System

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• 18. Pollution of Air and Water

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