Global Systems

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Across
  1. 5. Thick layer of soil below freezing points
  2. 8. Process which Carbon is recyled
  3. 11. A layering of ice covering a land for a long time
  4. 13. Part of large scale ocean circulation
  5. 15. The habitat in which certain organisms live in
  6. 19. Trapping of suns warms in a planets atmosphere
  7. 25. Emisson of energy as subatomic particles
  8. 27. Relation of climates between two glacial periods
  9. 28. State of the atmosphere at a particular time
Down
  1. 1. Weather conditions in an area
  2. 2. The process of turning to vapour
  3. 3. The rigid outer of the earth
  4. 4. All the water surrounding or on the earth
  5. 6. The surrounding gases around a planets surface
  6. 7. Derived from living matter
  7. 9. Gas produced by burning carbon and via respiration
  8. 10. A wave length longer than a kilometer
  9. 12. Process in which some plants use sunlight to create energy
  10. 14. Part of the invisible spectrum that is near the red end of the visible spectrum
  11. 16. Flammable gas which is present in natural gases
  12. 17. Natural fuels formed from the past from remains or organisms
  13. 18. State of having no trees in an area
  14. 20. Production of discharge of gas or radiation
  15. 21. An unreactive gas forming around eighty percent of earths atmosphere
  16. 22. The warming of the tropical pacific every few years
  17. 23. Water that converts from vapour to liquid
  18. 24. Capable of being renewed
  19. 26. The area on a planet occupied by organisms