Environmental Science for AP* (2nd Edition)

Published by W. H. Freeman
ISBN 10: 1464108684
ISBN 13: 978-1-46410-868-6

Chapter 12 - Module 34 - Pattern of Energy Use - AP Review Questions - Page 408: 3


b) coal

Work Step by Step

According to Figure 34.8 on page 407, these are fuels used for electricty generation in the United States in 2012 by percentage: Coal: 40% Natural gas: 28% Nuclear fuel: 20% Hydroelectric dams: 7% Other renewable energy sources: 4% Oil: 1% Out of these, coal is clearly the largest category. Therefore, the major source of energy in the United States is coal.
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