Natural gas is a highly combustible odorless and colorless hydrocarbon gas largely composed of methane. It is produced in pressurized deposits located deep in the Earth's crust, commonly located just above oil
A natural gas exchange-traded fund (ETF) is a type of pooled investment product that provides investors with exposure to natural gas prices. These funds are often overseen by a professional manager, who invests on behalf of the investors, and tend to invest in a basket of natural gas futur...
Definition:Natural resources are assets that used up when they are consumed. Gas is a good example of a natural resource. In order to use the gas, it must be consumed. In contrast with a car that can be used and reused. Natural resources like gas, oil, lumber, and coal are often cal...
What are the natural sources of air pollution? What are some common sources of air pollution? What are some types of air pollution? What is air particle pollution? What is an example of a natural source of pollution? What constitutes air pollution?
The field is a major academic discipline, and is also important for mineral and hydrocarbon extraction, knowledge about and mitigation of natural hazards, some engineering fields, and understanding past climates and environments. Geological evolution The geology of an area evolves through time as rock...
Natural gas is energy collected from fossils and is embedded deep under the surface of the earth. Natural gas was formed centuries when remnants of animals and plants formed broad layers on the earth's surface and were buried.Answer and Explanation: ...
Potential energy is energy that is stored in the bonds of molecules. When the bonds break, the energy is released. An example of potential energy is gravitational energy which depends on the mass and position of an object. Answer and Explanation...
One reason why we take the language for granted is that it usually happens so effortlessly, and most of time, so accurately. 【解析】第一行,language这个词用来泛指"语言"时,前面不需要冠词;而特指某一门或几门语言时,可以有冠词修饰,且有单复数形式。这里表示将...
And, whether or not the packaging is of the appropriate size, several types of materials have traditionally been used for a single parcel: for example, tape, cardboard boxes, styrofoam padding and bubble wrap. Many of these packaging materials are composed of plastics. In...
We therefore felt the need to better understand the key aspects of this market which is a good example of a global sector, i.e. an industry where the interactions among the actors are not limited to national or continental boundaries but are worldwide. The fundamental objective of our work ...