Across
- 1. most plants disinfect water by using this chemical
- 2. sticky globs that stick to dirt and bacteria
- 5. chemicals kill diseases that are carring bactiria
- 8. process of purification in which water goes through a filter
Down
- 1. way to purify water by using coagulants
- 3. the process in which water is brought to homes
- 4. where huge amounts of water for cities are stored on top of hills
- 6. strong pipes that water is brought through
- 7. bacteria is killed in water in it