Across
- 4. example of biomass
- 7. plants absorb carbon dioxide and sunlight to create fuel
- 8. largest use for groundwater
- 10. the exchange of carbon between the atmosphere and the ocean
- 12. example of evaporation
- 14. the process by which water vapor in the air is changed into liquid water
- 16. The movement of water underground
- 18. To contaminate, to become unclean.
- 19. In the water cycle, when water soaks into the soil.
Down
- 1. occurs when sunlight warms the surface of the water
- 2. the total mass of organisms in a given area or volume
- 3. a chemical element with the symbol C
- 5. water released from clouds in the form of rain, freezing rain, sleet, snow, or hail
- 6. the process by which moisture is carried through plants from roots to small pores on the underside of leaves
- 9. example of precipitation
- 11. example of condensation
- 13. chemical element with the symbol N
- 15. layers of soil, sand, and rocks that store groundwater
- 17. type of transpiration
- 20. type of photosynthesis
