518748
9780823936601
Because the United States has had an ample supply of coal, it became a primary source of fuel and energy. But scientists have discovered that burning coal releases sulfur and other materials that, when combined with oxygen, send sulfur dioxide and other poisons into the air. Kids can read how industry and government are working together to find newer, cleaner ways to burn this important fossil fuel.Riddle, John is the author of 'Experiments on Rocks and the Rock Cycle ', published 2003 under ISBN 9780823936601 and ISBN 0823936600.
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