The circle graph below shows the breakdown of energy sources in the United States  in 2015.

1. Which energy sources does the United States use most?

2.Which energy sources does the United States use least?

3.Which portion is larger, coal or natural gas?

4. What percent is the portion of natural gas larger than renewable energy?

5. Which is smaller, coal or renewable energy and nuclear energy combined?

Sources: U.S. Energy Information Administration

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