Global Systems

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