Article explaining the importance of carbon as the basis for life, carbon dioxide's role in photosynthesis and respiration, carbon in the ocean and lithosphere, the impact of human activities on the carbon cycle, carbon that seems to be disappearing from our atmosphere, and changes that have been measured in the amount of carbon dioxide in the atmosphere. (Published: May 31, 2010)

Concepts

carbon, carbon dioxide, photosynthesis, respiration

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Additional Tags

carbon cycle, encyclopedia of earth, carbon-oxygen cycle

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Classroom Considerations

• Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Instructional