Unit 4, 5, 6 Vocabulary Review

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Across
  1. 1. natural gas, electricity, petroleum, nuclear power, etc.
  2. 4. reserve a hotel room, ticket, table at a restaurant
  3. 7. a way to describe a device that uses data processing
  4. 8. opposite of depart
  5. 10. another word for display or booth
  6. 12. reuse
  7. 13. harmful substances in the environment introduced by humans
  8. 14. a way to describe something that uses electricity
  9. 15. area for boarding a plane
Down
  1. 1. natural surroundings, e.g. desert, jungle, etc.
  2. 2. a material that can be molded into any shape
  3. 3. area for boarding a train
  4. 4. identification at a show or conference
  5. 5. stopped
  6. 6. folded page or booklet of information
  7. 9. a device with moving parts
  8. 11. huge room for big event