Give the meaning of the following science terminologies. 1. Personal body care product 2. Cleaning agents 3. Medicine 4. Farm chemicals 5. Food reagents 6. Physical change 7. Chemical change 8. Biodegradable 9. Non- biodegradable 10. Reduce 11. Repair 12. Recycle 13. Recover 14. Pollution 15. Irreversible 16. Heat 17. Oxygen 18. Fire 19. Combustibility 20. Flammabiliy 21. Porosity 22. Brittleness 23. Elasticity 24. Luster 25. Conductivity 26. Flexibility 27. Decomposition 28. Thermal energy 29. Global warming 30. Kaingin system​