sustainability

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Across
  1. 1. something living without a hart
  2. 5. not many left in the wild
  3. 6. relating
  4. 8. zero life
  5. 9. a navigating device
Down
  1. 2. the physical world
  2. 3. a mammal
  3. 4. the world around us
  4. 7. things that have a hart
  5. 10. to not be harmful