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 processes like photosynthesis, respiration, decomposition, and combustion.

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How does photosynthesis affect atmospheric carbon dioxide levels?

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Photosynthesis in plants decreases atmospheric carbon dioxide levels by converting CO2 into glucose and oxygen.

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What is cellular respiration?

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Cellular respiration is the process by which cells convert glucose and oxygen into energy, producing carbon dioxide and water as byproducts.

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How does cellular respiration in plants affect atmospheric carbon dioxide levels?

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Cellular respiration in plants increases atmospheric carbon dioxide levels as they release CO2 during the process of converting glucose into energy.

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How does cellular respiration in animals affect atmospheric carbon dioxide levels?

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Cellular respiration in animals increases atmospheric carbon dioxide levels as they release CO2 when they convert glucose into energy.

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What role do decomposers play in the carbon cycle?

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Decomposers, such as bacteria and fungi, break down dead organisms, releasing carbon dioxide back into the atmosphere, thus increasing atmospheric CO2 levels.

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How does burning fossil fuels affect atmospheric carbon dioxide levels?

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Burning fossil fuels increases atmospheric carbon dioxide levels by releasing CO2 that was previously stored in the earth.

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What is photosynthesis?

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Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy, using carbon dioxide and water to produce glucose and oxygen.

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What is the significance of the carbon cycle?

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The carbon cycle is crucial for maintaining the balance of carbon in the environment, supporting life by regulating climate and providing essential nutrients.

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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, including coal, oil, and natural gas, which release carbon dioxide when burned.