The following table gives the percentage of electrical energy generated in the United States from various sources (2015 data). Display the data as both a bar graph and pie chart. Then write a short paragraph discussing the pros and cons of each display in terms of interpretation. Source: U.S. Energy Information Administration. Energy source Percentage of total energy generated Coal 33% Natural gas 33% Nuclear power 20% Renewables, non-hydropower 7% Hydropower 6% Other 1%