Which of the following questions does the information supplied in this passage try to answer?
What might cause a series of regular increases and decreases in the amount of CO2in the atmosphere?
Why are there fewer meteorological recording stations in the Southern Hemisphere oceanic zone than atmosphere?
What are the steps in the process that takes place as CO2absorbs long-wavelength radiation?
How might our understanding of the greenhouse effect be improved if the burning of fossil  were decreased?