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, buried and subjected to heat and pressure over millions of years. Examples include coal, oil, and natural gas.

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What happens to carbon when fossil fuels are burned?

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When fossil fuels are burned, carbon is released into the atmosphere as carbon dioxide (CO2), contributing to greenhouse gas emissions.

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What is cellular respiration?

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Cellular respiration is the process by which cells break down glucose and other organic molecules to produce ATP (energy) in the presence of oxygen.

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What is the role of glucose in cellular respiration?

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Glucose is the primary fuel used in cellular respiration to produce ATP, which is essential for energy in living organisms.

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How does carbon move through food chains?

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Carbon moves through food chains when animals eat plants (which contain carbon) and then when predators eat those animals, transferring carbon from one organism to another.

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What is the significance of decomposers in the carbon cycle?

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Decomposers break down dead organic matter, returning carbon to the soil and atmosphere, thus playing a crucial role in recycling carbon.

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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 convert carbon dioxide and water into glucose and oxygen.

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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 like carbon dioxide in the atmosphere.

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What is the difference between carbon sinks and carbon sources?

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Carbon sinks are natural systems that absorb more carbon than they release (e.g., forests, oceans), while carbon sources release more carbon than they absorb (e.g., burning fossil fuels).

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