Complete the crossword puzzle using words from the text about Karl Bushby.

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Across
  1. 1. A line separating two countries
  2. 4. A tropical forest with thick plants and trees
  3. 5. Food, equipment, and other essential things needed for a journey
  4. 6. One of the earth's large landmasses, like Europe or Africa
Down
  1. 2. A social event for people who have not seen each other for a long time
  2. 3. A situation in which something happens later than planned