The Carbon Cycle

Edit Answers
1234567891011121314151617181920
Across
  1. 6. Now the carbon cycle is out of ____________.
  2. 10. burning __________ fuels creates tons of CO2
  3. 12. a process in which plants soak up CO2
  4. 16. Rainforests are cleared in South America and ____
  5. 17. Nonliving matter like _____contain carbon.
  6. 18. _________activities have changed the cycle.
  7. 19. when animals breathe they add CO2 to the____
  8. 20. _________life in oceans soak up CO2
Down
  1. 1. the crust keeps carbon locked up for ___of years
  2. 2. Carbon is the building block for all _____.
  3. 3. The Industrial Revolution happened 200 ____ago.
  4. 4. The process for carbon is a circle or a ________
  5. 5. Liquid that erupts from a volcano.
  6. 7. Carbon in decayed life enters the Earth's _______
  7. 8. Planting _______will help restore the Earth.
  8. 9. Gases like CO2______heat in the atmosphere.
  9. 11. Carbon is the __________-most common element
  10. 13. -known as ocean water -contains carbon
  11. 14. Plants are carbon_____-they take in Carbon
  12. 15. CO2 is a major contributor to the ____house effect