Fossil Fuels:Fossil fuels are fuels that are made from the remnants of long-dead plants and animals. The three most common forms of fossil fuels are petroleum, natural gas, and coal.Answer and Explanation: Fossil fuels are used for the productions of energy. Coal and natural gas, for ...
Fossil fuel is a fuel born from the decomposed material of dead organisms from millions, sometimes up to hundreds of millions of years old. Some of these fuels include petroleum, natural gas, and coal. Fossil fuels are highly carbonic. Some derivative fuels of primary fossil fuels include ...
A Norwegian company has created what it calls the world's first zero-emission(排放), autonomous cargo ship(货船). Developed by chemical company Yar a International, the ship was designed to reduce emissions of pollutants and greenhouse gases, and move goods away from roads to the sea.The ship...
As the world moves away from the large-scale use of fossil fuels, we will need to find alternative sources of energy for these industries. In a new white paper, a team of Deutsche Post DHL Group specialists examines the options – available today and in development – that might allow that...
Unlike power sources that use fossil fuels, the only by-products from an operating fuel cell are heat and water. To be more technical about it, a hydrogen atom with its one electron, attempts to pass through a fuel cell membrane(膜) to unite with an oxygen atom. The membrane allows ...
FOSSIL fuelsFIRESINTERPERSONAL relationsPARADOXWILDFIRES"The Pyrocene: How We Created an Age of Fire, and What Happens Next" by Stephen J. Pyne is a concise and powerful book that explores the history of fire on Earth and its impact on humanity. Pyne argues that ...
Fuel has always powered humankind’s technological advances, from the wood-burning fires first used to cook food to the fossil fuels that propelled the Industrial Revolution and have made modernity possible. But the use of fossil fuels has come under scrutiny in light of their role in climate ...
"可知,用 太阳能产电能并不是免费的,故排除B; 根据第一段的第二句“These sources of energy must be renewable and not cause the pollution that fossil fuels do. "可知, 文中提到的几种发电方式是不污染环境 的,故排除C,故选D。 反馈 收藏 ...
The main greenhouse gas produced by burning fossil fuels is carbon dioxide but small amounts of nitrous oxide and methane are also released. Fossil...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
根据第二段 “For the first time, researchers created a nuclear fusion reaction that produced more energy than they put into the process.(研究人员第一次创造了一种核聚变反应,其产生的能量比他们投入的 能量还要多)”可知,这一巨大突破是指首次产生了能量产出大于投人的核聚变反应,故选D。 【33题详解...