Living In The Environment, Loose-leaf Version
Living In The Environment, Loose-leaf Version
19th Edition
ISBN: 9781337100106
Author: G. Tyler Miller, Scott Spoolman
Publisher: Brooks Cole
Question
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Chapter 10, Problem 5EFA
To determine

The total annual growth in the carbon footprint in metric tons of carbon dioxide per year for each of the five countries in the table by assuming that a hectare (1.0 hectare = 0.01 square kilometer) of tropical rain forest absorbs 0.85 metric tons (1metric ton=2,200pounds) of carbon dioxide per year.

Expert Solution & Answer
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Answer to Problem 5EFA

CountryArea of Tropical Rain Forest (square kilometers)Area of Deforestation per Year (square kilometers)Total carbon footprint per year for tropical rain forest (metric tons)
A1,800,00050,0004,250,000
B55,0003,000255,000
C22,0006,000510,000
D530,00012,0001,020,000
E80,00070059,500

Explanation of Solution

Given info:

CountryArea of Tropical Rain Forest (square kilometers)Area of Deforestation per Year (square kilometers)
A1,800,00050,000
B55,0003,000
C22,0006,000
D530,00012,000
E80,000700

The expression that can be used to calculate total annual growth in the carbon footprint in metric tons of carbon dioxide per year is as follows:

{Total annual growth in the carbon footprint}=(Area of deforestation per year)×(1hectare0.01sq.km)×0.85

To determine the total annual growth in the carbon footprint in metric tons of carbon dioxide per year in Country A, substitute the value of area of deforestation as 50,000 sq.km. Then, the following result is obtained:

{Total annual growth inthe carbon footprintinCountryA}=(50,000)×(1hectare0.01sq.km)×0.85=4250000metrictonsperyear

Similarly, the following result is obtained:

{Total annual growth inthe carbon footprintinCountryB}=(3,000)×(1hectare0.01sq.km)×0.85=255,000metrictonsperyear

{Total annual growth inthe carbon footprintinCountryB}=(6,000)×(1hectare0.01sq.km)×0.85=510,000metrictonsperyear

{Total annual growth inthe carbon footprintinCountryB}=(12,000)×(1hectare0.01sq.km)×0.85=1,020,000metrictonsperyear

{Total annual growth inthe carbon footprintinCountryB}=(700)×(1hectare0.01sq.km)×0.85=59,500metrictonsperyear

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