The Statistical Abstract of the United States provides a reliable and complete summary of statistics on the political, social, and economic organization of the United States. The following table gives a partial list of the number of endangered wildlife species both inside and outside the United States as of April 2010 (Table 383, Statistical Abstract of the United States 2011):

a. Construct a bar chart of the number of endangered wildlife species in the United States.
b. Construct a bar chart of the number of endangered wildlife species outside the United States.
c. Construct a bar chart to compare the number of endangered species in the United States to the number of endangered species outside the United States.

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Item Mammals Birds Reptiles Amphibians Fishes Endangered Wildlife Species in United States 70 76 13 14 74 Endangered Wildlife Species Outside the United States 255 182