(Solved): The total CO2 injected into the atmosphere from fossil fuel burning since 1850 is 400 billion metric ...

The total CO2 injected into the atmosphere from fossil fuel burning since 1850 is 400 billion metric tons carbon. During the same period of time, from 1850 to the present, the concentration of CO2 in the atmosphere has increased to 417 ppm from 288 ppm. It takes 2.13 billion tons of CO2 to increase the concentration in the atmosphere by 1ppm. What is the total mass of CO2 in the atmosphere today? Group of answer choices 400 billion metric tons 362 billion metric tons 888 billion metric tons