GENERAL: Carbon Cycle Flashcard

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What is the carbon cycle?

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The carbon cycle is the process by which carbon is exchanged among the atmosphere, land, water, and living organisms. It involves processes like photosynthesis, respiration, decomposition, and combustion.

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What role do plants play in the carbon cycle?

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Plants absorb carbon dioxide (CO2) from the atmosphere during photosynthesis, converting it into organic matter and releasing oxygen.

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What is photosynthesis?

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Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll, converting carbon dioxide and water 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 living organisms convert glucose and oxygen into energy, releasing carbon dioxide and water as byproducts.

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What is decomposition?

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Decomposition is the process by which organic substances are broken down into simpler organic or inorganic matter, releasing carbon back into the soil and atmosphere.

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How does deforestation impact the carbon cycle?

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Deforestation increases carbon dioxide levels in the atmosphere by reducing the number of trees that can absorb CO2 during photosynthesis.

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What are fossil fuels?

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Fossil fuels are natural substances formed from the remains of ancient plants and animals, which release carbon dioxide when burned for energy.

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What is the significance of carbon sinks?

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Carbon sinks are natural systems, like forests and oceans, that absorb more carbon dioxide than they release, helping to mitigate climate change.

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What is consumption in the carbon cycle?

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Consumption is the process by which organisms eat plants or other animals, transferring carbon through food webs from producers to consumers.

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What is the greenhouse effect?

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The greenhouse effect is the warming of the Earth's surface due to the trapping of heat by greenhouse gases, including carbon dioxide, in the atmosphere.