EO - The Carbon Cycle - the Human Role Questions

After reading The Carbon Cycle Page 4 answer these questions in complete sentences in your journal.

  1. List three natural carbon fluxes we have learned about in the earth system.
  2. What is the relationship between burning fossil fuels and sedimentation?
  3. Describe the carbon movement caused by clearing forests.
  4. What is the highest level of CO2 displayed on the graph? What is the current level of CO2?
  5. Periods of low CO2 correspond to ice ages. Does this mean low CO2 causes ice ages? Explain using the words causation and correlation.
  6. Where does some of the anthropogenic carbon go ? Hint: we recently read an article about this.
  7. How much unaccounted carbon (in GtC) does the article talk about?
  8. Why is it important that we understand carbon sinks and sources?