Natural resorces

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Across
  1. 1. replace
  2. 6. reuse materials
  3. 8. biology
  4. 9. good for planting
Down
  1. 1. allnature
  2. 2. madebynatu
  3. 3. limited supply
  4. 4. preserveresourc
  5. 5. resourcefoundinrocks
  6. 7. resourceforheat