The two key reactions of the carbon cycle are:

Question

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The carbon cycle involves the process of photosynthesis, where plants use carbon dioxide and sunlight to produce glucose and oxygen, and respiration, where organisms release carbon dioxide as a byproduct of breaking down glucose for energy. Therefore, the two key reactions of the carbon cycle are photosynthesis and respiration. Combustion and oxidation are also important processes, but they are not the key reactions that drive the carbon cycle.

The Two Key Reactions of the Carbon Cycle Are