Y9 Middle East revision crossword

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Across
  1. 3. A type of horticulture which involves growing plants without soil
  2. 5. Poorest country in the Middle East
  3. 7. A system that involves binding the residency and employment status of a migrant worker to a specific employer
  4. 9. A _____________ river flows across different country boundaries
  5. 10. ________ air pressure is found in deserts
Down
  1. 1. Nomadic Arab tribes who have inhabited the desert regions in the Arabian Peninsula
  2. 2. Name of the large scale project in Saudi Arabia, of which The Line is a part
  3. 4. Using different energy resources to reduce dependence on a single resource or provider
  4. 6. Process of removing salt from seawater to make it drinkable
  5. 8. Capital of Saudi Arabia