For each of the years 2000, 2003, 2006, and 2009, the graph shows the carbon dioxide emissions produced by the consumption of petroleum for 9 countries. Emissions are measured in millions of metric tons of carbon dioxide, where 1 million= 10^6
From each drop-down menu, select the option that creates the most accurate statement based on the information provided.
选项:
Median carbon dioxide emissions for the 9 countries increased by million metric tons from 2000 to 2009.
In 2006, the range of carbon dioxide emissions for the 9 countries was approximately million metric tons.