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, continually recycling carbon in various forms.

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True or False: All of the carbon in existence is continually recycled in the carbon cycle.

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True

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NGSS.MS-LS2-3

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What process removes carbon from the atmosphere?

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Photosynthesis is the process that removes carbon dioxide from the atmosphere.

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NGSS.MS-LS1-6

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What are autotrophs?

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Autotrophs are organisms that can produce their own food from sunlight or chemical energy, such as plants that photosynthesize.

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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 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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What role do decomposers play 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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NGSS.MS-LS2-3

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What is combustion?

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Combustion is a chemical reaction that occurs when a substance reacts rapidly with oxygen, producing heat and light, and releasing carbon dioxide as a byproduct.

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How do animals contribute to the carbon cycle?

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Animals contribute to the carbon cycle through respiration, where they inhale oxygen and exhale carbon dioxide.

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NGSS.MS-LS2-3

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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 key role in regulating Earth's temperature.

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