Country Vs. City

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Across
  1. 3. too many people in one place.
  2. 4. place to keep animals or grow food.
  3. 6. unclean air,water, or land.
Down
  1. 1. groups of people who want to hurt people
  2. 2. not full
  3. 3. illegal action
  4. 5. things that you throw away.