故答案为The coal and petroleum are burned, they release harmful gases into air.(煤和石油燃烧,它们释放有害气体到空气中。2.【答案】Harmful gases combine with orygenand water in the air, and carry these gases when it rains or snows.【解析】题中问一些有害气体是怎样变成酸雨的?根据文中第一段...
解析 正确答案:Petroleum is unlike coal. It may be the product of the accumulating fatty matter of ocean organisms instead of originating in accumulating woody matter. What’s more, petroleum is not nearly so evenly distributed as coal is....
because they don't escape into the atmosphere.The gases are captured and can be burned to produce electricity, which saves a lot of money and ultimately decreases our need for fuels like petroleum and coal, which are not only expensive but are also polluting.MALE STUDENT: So organic waste fr...
Petroleum resource is ARenewable BNon-renewable CSynthetic and biodegradable DInfinite and unconventionalSubmit coal and petroleum are View Solution (a) What is the origin of the word petroleum ? (b) Which petroleum products are not fuels ? View Solution Coal And Petroleum View Solution Petroleum...
Instead of using coal and petroleum, we should explore renewable alternatives such as solar and wind. Not only are these energy sources better for the environment, but they also have the potential to save us money in the long run. Furthermore, when given the opportunity, we should choose ...
Dogs, if treated properly and trained with firm kindness, are faithful and reliable. 只要你对它好,训练时态度坚决而友善,狗都能变得忠实可靠。 enable: v. 使成为可能;使能够 e.g. The cell phone will enable you to call for help from anywhere. 手机可以让你在任何地方呼求帮助。 ;;Detailed ...
Coal is a familiar substance and an important natural resource. It is also however a complex and diverse material. It has close links with peat, which can be considered a precursor, and also with the other fossil fuels, including petroleum and natural gas, which were formed by related ...
we have just two fossil fuels left to talk about,and those are petroleum and natural gas.Today I'll concentrate on petroleum; and we'll get into natural gas tomorrow.Like coal and natural gas, petroleum has been formed over millions of years from the remains of prehistoric plants and ...
The gases are captured and can be burned to produce electricity, which saves a lot of money and ultimately decreases our need for fuels like petroleum and coal, which are not only expensive but are also polluting. Student: So organic waste from landfills could be processed this way? Professor...
Fossil fuels are those naturally occurring fuel that are found beneath the earth’s surface. Natural gas, petroleum and coal are some of common examples of fossil fuels. Though these fossil fossils arerenewable source of energy,due to extensive use, it has come under the category of non renewa...