IfyouareplanningaEuropeantripthat?saffordableandalittlebitoffthebeatenpath,Romaniais perfect for you.Unlike other popular places,manycharmingtowns hereremain unknowntomostforeigners.Youcanalsotakefree walkingtoursinthenumeroushistoricalsites. Hostelsrun $10—$15pernight,foodishearty anddelicious,andthepublict...
( )3.A.confident B.gifted C.involved D.experienced ( )4.A.into B.at C.up D.off ( )5.A.lost B.shocked C.injured D.arrested ( )6.A.exhausted B.sound C.thrilled D.delighted ( )7.A.association B.communication C.circumstance D.relationship ( )8.A.exactly B.apparently C.continuall...
Many people think the search for cleaner energy leads only to renewable resources like sun, wind and water.But it also leads to a fossil fuel.Natural gas is considered the cleanest of the fossil fuels, the fuel created by plant and animal remains over millions of years.Burning it releases ...
Time consuming: the whole process, starting from recognition of sites, extraction, transportation and till the final product, it is a time consuming process. So it is not a cost effective process too. Fossil fuels are those naturally occurring fuel that are found beneath the earth’s surface....
答案:We must develop breakthrough technology in order to deal with the problem ofglobal warming.二十篇 Alternate Energies 替代能源There is a lot of energy that we can hamess if we only seek to research and develop thetechnologies needed to do so. We can get away from the fossil fuels and...
The transport industry is a key drive of fossil fuel consumption, with the average motorist spending around £1000 per year on petrol cars and £1250 per year on diesel cars. The EV revolution is set to slash consumption, with battery-powered engines offering an eco-friendly altern...
power can never be safely generated, and a number of high-profile accidents—notably at Chernobyl and Fukushima—have highlighted these concerns. However, it should also be noted that the combined death toll from nuclear accidents is far lower than the annual fatalities from fossil fuel pollution....
energysource.Ifanelectric-motorvehicleis poweredbyadevicecalledafuelcell,thecategorizationsare eventrickier. Inafuelcell,theelementshydrogenandoxygen combinetoproduceelectricalenergytopoweramotor.The by-productiswater. Currently,theproblemthatmakesfuelcelltechnology impracticalforwideuseisprovidingthefuel—purehydrogen...
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Crude oil is unrefined petroleum product and a fossil fuel. It is used for things like gasoline, jet fuel, heating, paraffin wax, tar, and more. Oil spills are usually accidents, occurring when oil platforms, refineries, tankers, or ships spill crude oil into the ocean, according to a stu...