BBE 2201 Final Exam Study Guide 2023 with complete solution

BBE 2201 Final Exam Study Guide 2023 with complete solution Slow Carbon Cycle Carbon moving through rocks, soil, the ocean, and the atmosphere over time Fast Carbon Cycle Carbon moving through life forms, i.e plants and animals True/False: Clearing forests to plant agricultural crops results in an increase in atmospheric carbon dioxide True. There is a carbon equilibrium established with any land use. Where are the 9 gigatons of added carbon (by humans) in the fast carbon cycle going? Two = taken up by oceans Four = into the atmosphere Three = plants, soils & other biomass Algae and other plants play this role in the Carbon Cycle: Carbon Sink Term that describes how carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere and the atmosphere of Earth: The Carbon Cycle Term that describes the amount of carbon dioxide, or equivalent greenhouse gas, caused by a person, organization, event or product: Carbon Footprint Term for Carbon created by human activity: Anthropogenic Carbon Of these three fossil fuels (natural gas, coal, petroleum), which contributes the LEAST to U.S carbon emissions? Coal Of the four sectors for carbon dioxide emissions contributors in the U.S (commercial, transportation, industrial, residential), which is the largest? Transportation Carbon dioxide accounts for ____% of U.S global warming potential 82% An LCA (Life Cycle Assessment) provides: Information to assess the environmental impact of a product of service. Four potential users of LCAs: Product Designers Consumers Academics Marketers Normalization in an LCA does what? Helps put the results in perspective in order to compare with other impacts. List the 5 stages of the LCA process map: 1. Material Extraction 2. Manufacturing the product 3. Packaging and Transportation (distribution) 4. Use 5. End of Life