Using Figure 12

Multiple Choice

Using Figure 12.3,which of the following statements is accurate regarding the concentration of Earth's atmospheric carbon dioxide through time?

A) Over the last 200 years (1800 to 2000) , the Earth's carbon dioxide levels doubled
B) Over the last 10,000 years carbon dioxide levels on Earth have doubled
C) Over the last 200 years (1800 to 2000) , the Earth's carbon dioxide levels have increased greater than 100 ppm.
D) All of the above