Once Upon a Farm

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Across
  1. 2. growing vegetables using water
  2. 4. upwards
  3. 6. difficulties
  4. 8. a land used for growing vegetables
  5. 9. unwanted substance produced by animals
Down
  1. 1. a type of food
  2. 3. a very tall building
  3. 5. application of scientific knowledge
  4. 7. not enough