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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What are fossil fuels?

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Fossil fuels are natural substances formed from the remains of ancient plants and animals that have been buried underground for millions of years. They include coal, oil, and natural gas.

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How do plants contribute to the carbon cycle?

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Plants absorb carbon dioxide from the atmosphere during photosynthesis and convert it into glucose and oxygen.

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What role do animals play in the carbon cycle?

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Animals contribute to the carbon cycle by consuming plants and other animals, and through respiration, they release carbon dioxide back into the atmosphere.

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What is photosynthesis?

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Photosynthesis is the process by which green plants use sunlight to convert 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 take in oxygen and release carbon dioxide as they convert glucose into energy.

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What happens to carbon in dead organisms?

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When organisms die, their carbon is released back into the environment through decomposition or can be buried and transformed into fossil fuels over millions of years.

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What is the significance of carbon dioxide in the atmosphere?

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Carbon dioxide is a greenhouse gas that traps heat in the atmosphere, playing a crucial role in regulating Earth's temperature.

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How do volcanoes affect the carbon cycle?

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Volcanoes release carbon dioxide into the atmosphere during eruptions, contributing to the natural carbon cycle.

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What is combustion?

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Combustion is the process of burning fossil fuels, which releases carbon dioxide and other gases into the atmosphere.

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