8. In 1966, the atmospheric concentration of CO2 was 321 ppm. In 2014, the atmos

Question

8. In 1966, the atmospheric concentration of CO2 was 321 ppm. In 2014, the atmospheric concentration of CO2 was 400 ppm. This is an increase of 79 ppm. Each ppm is equivalent to 2.13 billion metric tons of CO2 Atmospheric CO2 Weight of CO2 Year concentration (in billion metric tons) 683.73 321 ppm 400 ppm 852.00 2014 Amount of increase from 1966 to 2014 79 ppm 168.27 The production of COs.emissions worldwide is listed in the table below, indicating that from 1966 to 2006, 225 billion metric tons of CO2were emitted. However, the atmospheric concentration of CO2 did not increase by 225 billion metric tons. It only increased by 168.27 billion metric tons. Weight of cO in billion metric tons) 86 98 36 Source of CO2 Coal Oil Natural gas Other Total 225 How do you account for the difference between CO, emissions and the change in atmospheric concentration of Co,? Where did the excess 0x.80 List the possible sinks that may have absorbed some of this CO2

Explanation / Answer

Though the increase in emissions affect the atmospheric concentration the value was lower than the estimated one because of the natural sinks that are available as trees and tge carbon absorbing sinks created by humans which played a significant role in absorbing some of the carbon dioxide emissions.

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