Plants and People

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Across
  1. 5. a place to grow plants year-round
  2. 6. a cross between a plum and an apricot
  3. 7. a process where the pollen from one plant is used to fertilize the seed of another plant
  4. 8. a cross between an apricot and plum
Down
  1. 1. a medicine formed from the leaves of willow trees
  2. 2. a fuel produced from corn
  3. 3. a process plants use to make their food
  4. 4. the process of growing plants in water