Explanation should include
- boiling
- chemical disinfection
- ultraviolet light
- carbon filtration
- reverse osmosis
- distillation.
Process/Skill Questions:
- What are the benefits from water treatment?
- What contaminants can be removed from the use of each water-treatment method?
- What is the water quality standard for water treatment?
- What processes does the local water-treatment facility use?
- How can water be made potable in the field?