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Topic last updated: 09 Nov 2023
    • Ico Chemistry Chemistry
    • Ico Physics Physics
    • Ico Science Science
    • Biology Biology
    • 14-16
    • 60

The Earth and the early Atmosphere

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The carbon cycle

Carbon is recycled. All carbon originally comes from carbon dioxide in the atmosphere, which enters the carbon cycle through photosynthesis. Plants use photosynthesis to make carbohydrates, fats and proteins using light energy.

The below diagram represents the carbon cycle.

The carbon cycle