Mary Lindeen 
Investigating the Carbon Cycle [EPUB ebook] 

Audisee(R) e Books with Audio combine professional narration and text highlighting for an engaging read aloud experience! Carbon is everywhere. It is constantly moving between the air, water, rocks, and living things. But did you know that none of these things would exist without the carbon cycle? Or that humans have caused the carbon cycle to be out of balance? Learn more about the carbon cycle in this fascinating book.