10. is a major component of all organic compounds, including carbohydrates, lipids, proteins, and nucleic acids. 11. What is an important component of the atmosphere and is dissolved in oceans?
12. Why are coal, oil, and natural gas referred to as “fossil fuels”?
13. List 1 natural way and 1 unnatural way that carbon dioxide is released into the atmosphere.
Use the Carbon Cycle Figure (and/or view Figure 3-17 in the textbook) and answer the following questions (you need to be able to view the figure in color):
14. Describe what Carbon Cycle actions occur under:
Biological processes
Human processes
Geological processes
Physical/Chemical processes