Questions for Investigation 5

.8

.1a

. Using the 369

.5 ppm mentioned above calculate the total mass of CO2 in the atmosphere

today

.(Show your work)

1b

. Using the 369

.5 ppm and 288 ppm numbers, calculate how much the mass of atmospheric

CO2 has increased from 1850 to today

. (Show your work)

1c

. Calculate the difference between the number you got in question 1b and the total amount of

CO2 injected into the atmosphere by fossil-fuel burning since 1850 (mentioned on first page)?

(Show your work)

1d

. How can you account for the difference you calculated in question 1c?

2

. Based on your answer to question 1d, what effects might this CO2 have on the chemistry of

the ocean?