Across
- 4. found in pool water
- 7. found in bananas
- 9. found in milk
- 12. used in toothpaste
- 13. found in foods
- 15. used to make cans
Down
- 1. used in glass and ceramics
- 2. used in batteries
- 3. production of fertilizers and chemicals
- 5. found in packaged and processed foods
- 6. used in food preservation
- 8. makes balloons float
- 10. used in lightbulbs
- 11. used in neon lamps and lights
- 14. used in fertilizers