What is a by-product of burned coal? A. Aluminum, silicon, and magnetic. B. Paving material. C. Fly ash. D. Concrete additive. 相关知识点: 试题来源: 解析 C答案为 C。根据题干找到第一段第三句, two kinds of ash by-product are produced: a heavy bottom ash and a fine-as-powder ...
What is a by-product of burned coal() A.Aluminum, silicon, and magnetic. B.Paving material. C.Fly ash. D.Concrete additivA. In an age when waste today means a lack tomorrow, use of every available resource becomes more and more important. As coal is being used in greater and ...
However, when fossil fuels are burned, they release greenhouse gases (GHGs) like carbon dioxide (C02), methane (CH4) and nitrous oxide (N20) into the atmosphere. When GHGs build up in the atmosphere, they trap the sun’s radiation and prevent it from being released into space, warming Ear...
However, since 2010 nearly a third of these coal-fired plants have been shut down or converted to less expensive and cleaner burning natural gas (which produces only about one-fifth as much CO2 as coal when it is burned). The rapid growth of wind and solar power has also reduced the ...
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In an age when waste today means a lack tomorrow, making use of every available resource becomes more and more important. As coal is being used in greater and greater amounts to produce electricity, larger amounts of ash, by-product of coal, are produced. When coal is burned in a boiler...
The furnaces of the world are now burning about 2,000,000,000 tons of coal a year. When this is burned, uniting with oxygen, it adds about 7,000,000,000 tons of carbon dioxide to the atmosphere yearly. This tends to make the air a more effective blanket for the earth and to raise...
In an age when waste today means a lack tomorrow, making use of every available resource becomes more and more important. As coal is being used in greater and greater amounts to produce electricity, larger amounts of ash, by-product of coal, are produced. When coal is burned in a boiler...
Gasoline powered cars, electric motors, electric lights, high speed trains and subways were all predicted way back when people rode on horses, burned whale oil lamps, and chugged along coal driven and soot begrimed railroads. Jules hit the 20th Century right on the button. And all in 1863. ...
released into the atmosphere. But the tax is levied during theupstreamprocess, or when the fuel or gas is extracted from the Earth. Producers can then pass on the tax to the market by as much as they can. This, in turn, gives consumers a chance to reduce their own carbon footprints.2...