Wen bo's Vocab words

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Across
  1. 4. the science of practise of farming and raising livestock
  2. 5. very dry
  3. 6. things used for support or help
  4. 8. man-made systems to get water to land
Down
  1. 1. a large raised area of flat land
  2. 2. an area's year round weather conditions
  3. 3. able to grow life
  4. 7. a part or an area of something