Answer :
Final answer:
Photosynthesis, respiration, and decomposition are key processes in the carbon cycle.
Explanation:
Photosynthesis: The process by which plants convert carbon dioxide into carbohydrates using sunlight as an energy source.
Respiration: The process by which organisms release carbon dioxide back into the atmosphere by breaking down carbohydrates to release energy.
Decomposition: The breakdown of dead organic matter by bacteria and fungi, releasing carbon back into the soil and atmosphere.
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