environmental science

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Across
  1. 2. demographic equilibrium
  2. 4. life or world
  3. 6. light or synthesis
  4. 8. carnivores
  5. 9. preservation
  6. 10. Saprophages
Down
  1. 1. Pollutants
  2. 3. Biomass
  3. 5. esteem
  4. 7. hunter