PLEASE HELP The graph below shows atmospheric carbon dioxide levels since the year 1880. Which of the following conclusions can be drawn from this graph?

A.) Atmospheric carbon dioxide levels are responsible for global temperature change.

B.) Atmospheric carbon dioxide levels have been rising at about the same rate for the past century.

C.) Atmospheric carbon dioxide levels have remained the same over the past century.

D.) Atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed.