摘要: During the second half of 20th century, fossil fuels (oil, natural gas, and coal) provided 85–95% total energy consumed in world. The other 5–15% was supplied mainly by hydroelectric nuclear power. can be used to power land vehicles, ships, aircraft generate electricity. Hydroelectric only To predict what sources will supply demand for during 21st this chapter reviews essential information about past production consumption, estimated reserves resources, ultimate recovery, potential future availability all presently known energy. This review indicates that remain as principal source world century certainly its first half.
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