Download or read book Fossil Fuels 5th Grade Children's Earth Sciences Book written by Bold Kids and published by Bold Kids. This book was released on 2023-01-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fossil fuels are a low cost and versatile energy source. But they are becoming less plentiful. In fact, we are on the verge of peak demand. The United States produces most of its energy from fossil fuels. However, as the world becomes more efficient, these sources are being squeezed.