Sustain ability

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Across
  1. 4. lots of countries form this
  2. 5. make
  3. 6. nature and living things
  4. 9. experimental subject
  5. 11. a type of nature
Down
  1. 1. who we are
  2. 2. something that changes everyday
  3. 3. the ground
  4. 7. a living creature
  5. 8. something our teacher gives us at the end of term
  6. 10. an instrument that tells directions