-Which of the Following Is the Most Reasonable Conclusion Based

Multiple Choice

-Which of the following is the most reasonable conclusion based on the data in the figure?

A) There is a great deal of uncertainty in measurements of global atmospheric carbon dioxide levels.
B) Average annual atmospheric carbon dioxide concentrations have been increasing since 1960.
C) Carbon dioxide molecules multiply themselves over time.
D) Forest fires and fossil fuel combustion are increasing atmospheric carbon dioxide concentrations.