LOCOMOTIVES: Reading answers

I The invention of the steam locomotive made a breakthrough in the development of the railway system in the 19th century. Today the technology seems ordinary, but two hundred years ago it was revolutionary. Steam locomotives were fueled by burning coal, wood or oil, to produce steam in a boiler, which drove the engine. Of course, large amounts of water were also needed. In the 20th century, steam engines were gradually replaced with trains fueled by diesel or electricity. II Some long-distance passenger trains have become famous. For example, the Trans-Siberian Railway in Russia is the longest railway in the world, covering 9,259 kilometers and 10 time zones. In the United States, the…