'or'

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Across
  1. 4. the plants of a particular region or period.
  2. 6. the starting point or source.
  3. 7. a person who writes books.
  4. 8. marine animals that make colourful reefs.
  5. 10. an engine that produces motion.
Down
  1. 1. a device used to carry people or goods between floors.
  2. 2. the point where two edges meet.
  3. 3. a place where fruit trees are grown.
  4. 5. a utensil used for eating or serving food.
  5. 9. to ask for something formally or politely.