Across
- 4. a general term for carbohydrates, proteins, nucleic acids and lipids
- 5. this process helps to clean the water
- 6. sugar
- 9. a process that uses energy and releases carbon dioxide
- 11. water
- 12. winds move micro-droplets of water together to form clounds
- 15. too much carbon in the ocean causes the water's pH to do what?
- 17. the process by which elements of a dead animal are returned to the environment
- 19. makes its own food
- 21. in a mixture of salt and water - salt is referred to as the?
Down
- 1. allows water droplets to form
- 2. snow and hail are a type of this
- 3. type of bond within the molecule of water
- 7. excess water expelled from a eaf through stomata
- 8. a process used to created stored energy
- 10. this forms when the amount of precipitation is greater than infiltration
- 13. this process brings water from the surface into the soil
- 14. cooling down water increases the ________ of the water molecules
- 16. water in the soil and water in underground aquifers
- 18. combines with calcium to form shells and coral skeletons
- 20. type of both found between molecules of water
