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 Earth's atmosphere, land, oceans, and living organisms. It involves various processes such as photosynthesis, respiration, decomposition, and combustion.

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What role does the Hydrosphere play in the Carbon Cycle?

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The Hydrosphere includes all water bodies on Earth, and it plays a crucial role in the Carbon Cycle by absorbing carbon dioxide (CO2) from the atmosphere, which can then be used by marine plants and algae.

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What is the Geosphere?

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The Geosphere refers to the solid parts of the Earth, including rocks, soil, and minerals. It stores carbon in forms such as fossil fuels and limestone.

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What is limestone and its significance in the Carbon Cycle?

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Limestone is a sedimentary rock primarily made of calcium carbonate (CaCO3). It is significant in the Carbon Cycle as it stores carbon and is used in construction, contributing to carbon emissions when processed.

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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. They release carbon dioxide when burned, impacting the Carbon Cycle.

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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, converting it into organic matter, which is then passed through the food chain.

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What is the process of 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 happens to carbon when organisms die?

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When organisms die, their bodies decompose, and carbon is released back into the soil and atmosphere, or it can be stored in sedimentary rocks, continuing the Carbon Cycle.

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What is the impact of human activities on the Carbon Cycle?

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Human activities, such as burning fossil fuels and deforestation, increase the amount of carbon dioxide in the atmosphere, disrupting the natural balance of the Carbon Cycle.

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What is the role of oceanic CO2 in the Carbon Cycle?

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Oceanic CO2 is carbon dioxide dissolved in ocean water, which is absorbed by marine life and plays a key role in regulating atmospheric CO2 levels.