6. Use the simple mathematic formula express following effects Antagonism Synergistic Additive Potentiation 7. List lead abatement techniques. 8. How chemical contaminants can enter your body? 9. Listame one to ten Alkane groups, the general formula is CnH2 se-2 10. List four types of Characteristic hakardoes waste. 11. Define the following terms: Act: Guidance: Policy: Rule: Standard: 12. What is Tort law and list three types of them? 13. Explain coagulation and flocculaticn processes. Please also list two coagulants. 14. Define the following terme Ex. DEQ: Department of Environment Quality a. NTU: b. BOD: c. HTH d. COD: e. DO : 15. Deseribe three types of chlorine disinfectants? 16. Compare kinetic energy, potential energy, and heat. 17. Define "rain shadow effect". 18. Compare primary and secondary successions. 19. What are the pros and cons of living in a chaparral? 20. Compare mutualism, commensalism, and parasitism. 21. Will all developing countries go through all stages of demographic transition experienced by developed countries? Why or why not? 22. What is a biome? 23. What are the three principles of sustainabitity? 24. What is the precautionary principle? 25. Define cultural eutrophication