Environmental Science > QUESTIONS & ANSWERS > Questions and Answers > SCIENCE 101 - Carbon Cycling GIZMO (All)

Questions and Answers > SCIENCE 101 - Carbon Cycling GIZMO

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1. In the process of photosynthesis, plants take in carbon dioxide (CO2) from the atmosphere and water (H2O) from the soil. Using the energy of sunlight, plants build molecules of glucose (C6H12O6) ... and oxygen (O2). a. How do plants on Earth affect the amount of carbon dioxide in Earth’s atmosphere, increase or decrease? b. Animals eat plants and produce carbon dioxide and water. How do animals affect the amount of carbon dioxide in Earth’s atmosphere, increase or decrease? 2. Based on the Gizmo, describe at least two ways that carbon dioxide can get from a land plant to the atmosphere. One way: Two way: 3. Using the Gizmo, mention the steps required to form coal and petroleum (oil) from atmospheric CO2. Coal: Petroleum: 4. Using the Gizmo, describe the main use for each fuel. Coal: Petroleum: In each case, what is the end product of burning the fossil fuel, and where does it go? 5. In many tropical rainforests, people clear land by cutting down trees and burning them. After a few years, the soil runs out of nutrients and cannot be farmed any longer. How does this practice of “slash and burn agriculture” affect Earth’s atmosphere [Show More]

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