Carbon Cycle

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What is the carbon cycle?

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The carbon cycle is the process by which carbon is exchanged between the atmosphere, land, water, and living organisms. It involves various processes such as photosynthesis, respiration, decay, and combustion.

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Why is carbon important for life?

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Carbon is the central element to all living organisms, forming the backbone of organic molecules such as proteins, carbohydrates, lipids, and nucleic acids.

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What is photosynthesis?

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Photosynthesis is the process by which green plants, algae, and some bacteria convert carbon dioxide and sunlight into glucose and oxygen.

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What is respiration in the context of the carbon cycle?

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Respiration is the process by which animals and plants take in oxygen and release carbon dioxide as they convert glucose into energy.

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What happens during decay in the carbon cycle?

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During decay, dead plants and animals are broken down by decomposers, releasing carbon back into the atmosphere as carbon dioxide.

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What is combustion?

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Combustion is the process of burning fossil fuels or biomass, which releases carbon dioxide into the atmosphere.

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What are carbon sinks?

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Carbon sinks are natural systems, such as forests and oceans, that absorb more carbon dioxide from the atmosphere than they release.

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What are carbon sources?

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Carbon sources are processes or activities that release carbon dioxide into the atmosphere, such as burning fossil fuels and deforestation.

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How do oceans play a role in the carbon cycle?

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Oceans absorb a significant amount of carbon dioxide from the atmosphere, acting as a carbon sink and helping to regulate global climate.

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What is the role of plants in the carbon cycle?

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Plants absorb carbon dioxide during photosynthesis, converting it into organic matter and releasing oxygen, thus playing a crucial role in the carbon cycle.