Science

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Across
  1. 1. waterleaves the earth through gas
  2. 3. respirartion takes oxygen from the atmopshere and
  3. 5. conversion when nitrogen gas is converted into nitrogen compounds
  4. 7. water vapor cools and becomes liquid again
  5. 9. dead organisms are decomposed by organisms such as bacteria
  6. 12. chain the passing of energy fro mproducers through consumers
  7. 13. pyramids illistrates how energy flows
  8. 14. removing carbon dioxide from the air and producing carbon dioxide
  9. 15. soil bacterias converted into nitrogen compounds
  10. 16. animal waste of dead bodies
Down
  1. 2. water returns to the ground
  2. 4. web all the interlated food chains that are possible in an ecosystem
  3. 6. plants absorb the nitrogen compounds from the soil to make proteins
  4. 8. continuous movement of water from the earth to the atmosphere
  5. 10. fuels fuels such as gasoline
  6. 11. levels levels in the pyramid