Vocabulary exercise

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Across
  1. 2. An area of a country or town that has fixed borders that are used for official purposes
  2. 4. A period of 100 years
  3. 6. A shape like one-half of a ball
  4. 9. Special, or this and not any other
Down
  1. 1. Having a lot of mountains
  2. 3. Peaceful and calm
  3. 5. A real or imagined line that marks the edge or limit of something
  4. 7. Able to be reached or easily obtained
  5. 8. To broadcast something, or to send out or carry signals or messages using radio