Sustainability

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Across
  1. 1. Everything that exists in an environment
  2. 3. Animals in an environment
  3. 6. Plants in an environment
  4. 8. The whole mass of air that surrounds the earth
  5. 9. A large flat area of land with grass and few trees
Down
  1. 2. Able to last without being destroyed or used up
  2. 4. The careful use of natural resources
  3. 5. When plants turn water & CO2 into food in the sun
  4. 7. The gradual destruction by natural forces