Carbon cycling refers to the continuous movement of carbon among different reservoirs within the Earth, including the atmosphere, oceans, soil, and living organisms. This process is crucial for regulating Earth's climate and sustaining life, as it involves the conversion of carbon dioxide into organic compounds through photosynthesis and the release of carbon back into the atmosphere through respiration and decomposition. The cycling of carbon plays a significant role in extreme environments and is also critical for understanding biogeochemical processes using isotopic techniques.
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