cyclic capacity
61Properties of water — H2O and HOH redirect here. For other uses, see H2O (disambiguation) and HOH (disambiguation). This article is about the physical and chemical properties of pure water. For general discussion and its distribution and importance in life, see Water …
62Heat — In physics, heat, symbolized by Q , is energy transferred from one body or system to another due to a difference in temperature. [cite book|author= Daintith, John |title=Oxford Dictionary of Physics|publisher=Oxford University… …
63coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
64United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
65Database — A database is an organized collection of data for one or more purposes, usually in digital form. The data are typically organized to model relevant aspects of reality (for example, the availability of rooms in hotels), in a way that supports… …
66Ice age — An ice age is a period of long term reduction in the temperature of the Earth s surface and atmosphere, resulting in an expansion of continental ice sheets, polar ice sheets and alpine glaciers. Glaciologically, ice age is often used to mean a… …
67Retina — For the Retina display in the iPhone 4, see iPhone 4#Display. Retina Right human eye cross sectional view. Courtesy NIH National Eye Institute. Many animals hav …
68BRDM-2 — Infobox Weapon name=BRDM 2 caption=Iraqi BRDM at the U.S. National Infantry Museum, Fort Benning origin=Soviet Union type=Amphibious Armoured Scout Car is vehicle=yes service=1962 present used by=See Operators wars=See Service History designer=V …
69War on Drugs — For other uses, see War on Drugs (disambiguation). As part of the War on Drugs , the U.S. gives hundreds of millions of dollars per year of military aid to Colombia, which is used to combat leftist guerrilla groups such as FARC, who have been… …
70Power transition theory — The Power transition theory is a theory about the cyclic nature of war, in relation to the power in international relations.cite book|last=Organski|first=AFK|authorlink=A.F.K. Organski|title=World Politics|year=1958|location=New York] cite… …
