BIOGEOCHEMICAL PUZZLE

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Across
  1. 3. conversion of a substance from the solid to the gaseous state without itsbecoming liquid
  2. 4. Coal and other fossil fuels
  3. 5. Cycle biogeochemical process
  4. 6. Process of converting nitrogen compounds
  5. 8. Cycle The ocean plays a major role
  6. 11. When we heat the house in the winter the windows fog
  7. 12. The forests protect ground water and retain rainwater.
  8. 13. He or she would still need to breathe
  9. 14. Caused by an increase in temperature and/or a decrease in pressure
  10. 16. contains a certain amount of hydrogen,oxides of carbon
  11. 17. It is a colourless and odourless
Down
  1. 1. Water
  2. 2. streams, rivers, lakes, wetlands,and creeks.
  3. 7. Plants release water through their leaves
  4. 9. Oxygen atoms
  5. 10. Cycle As the planet gets warmer the water cycle is changing.
  6. 15. The weather forecast calls for some sort of frozen