small world crossword

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Across
  1. 2. Someone you do not know
  2. 4. A series of connected people or events
  3. 5. The act of giving and receiving information
  4. 7. Someone you know but not very well
  5. 9. A large group of people living together
  6. 10. Communication or action between people
Down
  1. 1. The route a message follows between people
  2. 3. A scientific test done to discover something
  3. 4. A link between two people
  4. 6. A person you know and can communicate with
  5. 8. A connection between people in a network