Sustainability

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Across
  1. 2. The animals of a particular region
  2. 4. An established way of doing something
  3. 5. Relating to biology
  4. 7. An element,feature,or factor that is liable to vary or change
  5. 8. Relating to the body
Down
  1. 1. The plants of a particular region
  2. 2. test Changing one variable at a time
  3. 3. The ability to be maintained at a certain rate
  4. 6. The study of the physical features of earth and its atmosphere
  5. 9. Physical rather than biological