bella

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Across
  1. 5. process which water vapor is changed back into liquid water
  2. 10. 75% water and 25% land
  3. 12. plants, animals, bacteria, fungi and single-celled organisms
  4. 13. where most of the fresh water is stored
  5. 17. made up of mostly nitrogen, some oxygen
  6. 19. process which water is converted from its liquid state to the gaseous state
  7. 20. rivers, lakes, streams, oceans, groundwater, polar ice caps, glaciers and moisture in the air
Down
  1. 1. most of the nitrogen on Earth is in the
  2. 2. rocks, minerals and ground that are found on and in Earth
  3. 3. the layer of the Earth where water is present
  4. 4. travels between living and non-living parts of our planet
  5. 6. has remained about the same since our planet's formation
  6. 7. N2 occurs when two atoms of nitrogen are bonded together very
  7. 8. the process where water moves above, on, and below the Earth's surface
  8. 9. 3% is...
  9. 11. all processes on Earth are driven by - spheres
  10. 14. 97% is...
  11. 15. water stored under the surface of the Earth
  12. 16. determines the type of precipitation that falls from the clouds
  13. 18. water that falls from the atmosphere in the form of rain, sleet, snow, hail, or freezing rain