Based on the pie chart shown here, wind sources made _____________ percent of US electricity sources in 2009.

Based on the pie chart shown here, wind sources made _____________ percent of US electricity sources in 2009.

Figure 2: The graph is a pie chart that shows the sources of U.S. electricity. The data is shown in the following table.

The “renewables” section of the previous pie chart is broken down by a second pie chart. The data for this pie chart is listed in the table below.