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Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/science/biology/ecology/biogeochemical-cycles/a/the-carbon-cycle How water cycles on Earth. Watch the next lesson: https://www.khanacademy.org/science/biology/ecology/biogeochemical-cycles/v/carbon-cycle Missed the previous lesson? Watch here ...
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