Across
- 2. line of heat that lines across the earth
- 8. how well something can dissolve
- 9. a liquid that can dissolve something
- 12. land made of sand caused by movement of sediment
- 14. big block of ice
- 15. how salty something is
- 17. earths universal solvent
- 19. pollutant from a unknown source
- 20. item that contains almost all the water on earth
Down
- 1. items that can be dissolved
- 3. how good or bad the air is for you
- 4. something that pollutes something
- 5. layer of earth holding all of its water
- 6. the process of using fossils for energy
- 7. chemical reaction with rain and pollutants
- 10. every living thing is inside this
- 11. the weight of something
- 13. how blurry water is
- 16. pollution from a known source
- 18. form of pollutant fuel