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# Problem 4 (2 marks): Show that an increase of 1 ppm of CO2 in the atmosphere is equivalent to 2.1 Pg of carbon. Calculate the current mass of carbon...

Problem 4 (2 marks): Show that an increase of 1 ppm of CO2 in the atmosphere is equivalent to 2.1 Pg of carbon. Calculate the current mass of carbon in the atmosphere. The total dry mass of the atmosphere is approximately 5.14 x 10^(18) kg. One mol of dry air weighs approximately 29 g.