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4b. This graph shows the atmospheric CO₂ levels during the last three glacial cycles. The atmospheric CO₂ concentrations from the past are constructed by measuring the composition of air trapped in ice cores collected from Antarctica. CO₂ (parts per million) 420 380 340 300 260 220 180 800 What I See HIGHEST HISTORICAL CO, LEVEL CURRENT 1950 M 700 600 500 400 300 200 100 Thousands of years before today (0 = ) = 1950) 0 What It

4b. This graph shows the atmospheric CO₂ levels during the last three glacial cycles. The atmospheric CO₂ concentrations from the past are constructed by measuring the composition of air trapped in ice cores collected from Antarctica. CO₂ (parts per million) 420 380 340 300 260 220 180 800 What I See HIGHEST HISTORICAL CO, LEVEL CURRENT 1950 M 700 600 500 400 300 200 100 Thousands of years before today (0 = ) = 1950) 0 What It

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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4b. This graph shows the atmospheric CO2 levels during the last three glacial cycles. The atmospheric CO2 concentrations from the past are constructed by measuring the composition of air trapped in ice cores collected from Antarctica. 

4b. This graph shows the atmospheric CO₂ levels during the last three glacial cycles. The atmospheric CO₂ concentrations from the past are constructed by measuring the composition of air trapped in ice cores collected from Antarctica. 420 380 340 300 260 g 220 EMMAMA 180 800 HIGHEST HISTORICAL CO, LEVEL What I See CURRENT 700 1950 300 200 100 600 500 400 Thousands of years before today (0 = 1950) 0 <> What It
Transcribed Image Text:4b. This graph shows the atmospheric CO₂ levels during the last three glacial cycles. The atmospheric CO₂ concentrations from the past are constructed by measuring the composition of air trapped in ice cores collected from Antarctica. 420 380 340 300 260 g 220 EMMAMA 180 800 HIGHEST HISTORICAL CO, LEVEL What I See CURRENT 700 1950 300 200 100 600 500 400 Thousands of years before today (0 = 1950) 0 <> What It
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4c. The following table is the 2014 Colorado Greenhouse Gas Inventory Report. 

 

4c. The following table is the 2014 Colorado Greenhouse Gas Inventory Report. Exhibit ES-3 Summary of Past CO₂ Emissions (MMTCO₂e) in Colorado SIT Model Runs CO₂ CO₂ from Fossil Fuel Combustion Residential Commercial Industrial Transportation Electric Power Sub Total Emissions Industrial Processes Waste Combustion and Landfills What I See Total Emissions 1990 5.33 3.98 5.60 19.15 31.27 65.33 0.36 0.11 66 1995 6.15 4.04 7.58 22.41 32.5 72.68 0.64 0.16 73 2000 6.88 3.79 9.17 25.69 38.64 84.17 1.47 0.17 86 2005 7.61 4.09 12.69 29.9 40.1 94.38 1.33 0.20 96 2010 7.91 4.19 14.59 29.94 39.35 95.99 1.44 0.20 98 Wha
Transcribed Image Text:4c. The following table is the 2014 Colorado Greenhouse Gas Inventory Report. Exhibit ES-3 Summary of Past CO₂ Emissions (MMTCO₂e) in Colorado SIT Model Runs CO₂ CO₂ from Fossil Fuel Combustion Residential Commercial Industrial Transportation Electric Power Sub Total Emissions Industrial Processes Waste Combustion and Landfills What I See Total Emissions 1990 5.33 3.98 5.60 19.15 31.27 65.33 0.36 0.11 66 1995 6.15 4.04 7.58 22.41 32.5 72.68 0.64 0.16 73 2000 6.88 3.79 9.17 25.69 38.64 84.17 1.47 0.17 86 2005 7.61 4.09 12.69 29.9 40.1 94.38 1.33 0.20 96 2010 7.91 4.19 14.59 29.94 39.35 95.99 1.44 0.20 98 Wha
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