Across
- 2. Keeps swimming pools clean
- 8. Drink your milk!
- 9. A very common ore in minecraft
- 10. No.12
Down
- 1. Found in a precious green gem
- 3. Found in balloon tanks
- 4. 21% of the air is made up of
- 5. _____Chloride (Salt)
- 6. Used in telephone lines
- 7. What is normally found in rechargeable batteries?