carbon cycle (morris)

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Across
  1. 2. chemical battery
  2. 4. the lung that is bigger
  3. 5. glucose,starch, cellulose,carbohydrates
  4. 6. carbon is stored and burned for cars
  5. 7. causes tar and soot in the lungs
  6. 8. process that breaks down matter into nutrients
  7. 10. causes pain in our muscles from exercise
  8. 11. combines with carbon to form shells
  9. 12. stomach muscle that helps us breath
  10. 14. burning of food with oxygen by consumers
  11. 15. carbon,hydrogen,nitrogen,oxygen,phosphate
  12. 17. break down dead material and release
  13. 18. iodine, iron, zinc
Down
  1. 1. its the rock shells will form into
  2. 3. green plants that make their own food
  3. 9. released into atmosphere by respiration
  4. 13. primary consumer
  5. 16. tiny air sacs in our lungs