Geography key terms

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Across
  1. 2. Large scale land buying/selling
  2. 4. The quality or degree of being saline
  3. 6. Energy emitted by the sun
  4. 11. The proportion of the light radiation reflected
  5. 12. A unit of pressure
  6. 13. Period of technology transfer
  7. 14. Weather conditions in an area for a long period
  8. 17. The amount of diversity between the organisms in a habitat
  9. 18. Lack of change in a system as inputs and outputs
  10. 23. Angular distance of a place north or south of the equator
  11. 25. Practice of growing a series of different types of crops
  12. 26. Agriculture conducted on commercial principles
  13. 27. A biological community of interacting organisms
  14. 29. Where energy and matter transfer between living organisms
Down
  1. 1. The supply of water to land/crops
  2. 3. It involves inserting genes into the organism
  3. 5. Breeding harvesting fish/shellfish
  4. 7. A person who has the physical, social and economic access to sufficient safe and nutritious food that meets their dietary needs.
  5. 8. cycle The continuous circle of water in the earth
  6. 9. The amount of food stored for later
  7. 10. Produced without use of chemicals or artificial agents
  8. 15. Cultivation of a single crop in an area
  9. 16. The regions of the atmosphere, hydrosphere of earth
  10. 19. Make or form land into a number of flat areas resembling steps
  11. 20. Native and restricted to a certain place
  12. 21. A line on a map connecting points having the same atmospheric pressure
  13. 22. Plowed and harrowed but left unsewn
  14. 24. A large naturally occurring habitat for flora and fauna
  15. 28. The ability to maintain a certain rate