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SNC 1D0 The Carbon Cycle 1. List the main sources of carbon entering the atmosphere? 2. Explain how the carbon cycle is related to energy flow in ecosystems. 3. In what ways do human activities influence the carbon cycle? 4. How are carbon deposits formed? 5. What are carbon sinks? 6. How have humans released stored carbon? 7. How has climate change affected the abiotic and biotic factors in ecosystems?
