1. True or False. The arrow labeled C represents a transfer of chemical energy to mechanical energy. Explain why this is true or false. 2. True or False. The arrow labeled A represents a transfer of solar energy to chemical energy. Explain why this is true or false.

3. Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?

4. Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected.

5. Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer.