Earth day

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Across
  1. 2. it’s made from trees
  2. 4. is a organism eaten by another organism
  3. 8. is a polluted percipitation
  4. 10. is a planned managment of natural resources to prevent waste
  5. 11. both organisms benefit
Down
  1. 1. is to use again
  2. 3. that eat remains of dead organisms
  3. 5. is to use less
  4. 6. capable of causing harm or death
  5. 7. only one organism benefits
  6. 9. resources are raw materials supplied by nature
  7. 12. is polluted by smoke and echaust fumes