TIGER

11.1. The Unique Properties of Water
11.2. Acid Rainfall
11.3. How Can There Be a Shortage of Something as Abundant as Water?
11.4. What Is the Difference between Clean Water and Polluted Water?
11.5. The Impact of Hazardous Industrial Wastes on Water Quality
11.6. Household Wastes that Affect Water Quality
11.7. Toxic Elements Often Found in Water
11.8. Measuring Water Pollution
11.9. How Water Is Purified Naturally
11.10. Water Purification Processes: Classical and Modern
11.11. Softening Hard Water
11.12. Chlorination and Ozone Treatment of Water
11.13. Freshwater from the Sea
11.14. Pure Drinking Water for the Home