Across
- 2. If I am extremely dry/cracked, it could mean you are dehydrated
- 4. I remove visible particles and solids from water
- 5. A word used to describe humans when they go too long without water
- 6. A food that can be used to show how filtration works
Down
- 1. Eliminates viruses, bacteria, or other non-visible harmful elements
- 3. Humans can typically only survive 3 days without me