Environmental Science for AP* (2nd Edition)

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

Chapter 12 - Module 35 - Fossil Fuel Resources - AP Review Questions - Page 417: 1

Answer

Anthracite Coal

Work Step by Step

Peat is the partially decomposed organic matter, then it becomes Lignite, then to Bituminous Coal, and finally Anthracite Coal. Since Anthracite Coal has the deepest burial, it has the highest energy density.
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