preparing to take potential test
61space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
62Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
63Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …
64Usain Bolt — Bolt at Berlin World Championships 2009 Personal information …
65Real estate broker — This article is about the North American practice. For other definitions and practices in other countries, see Real estate. For real property, see Real property. Realtor redirects here. For the real estate industry trade association that refers… …
66Intelligence dissemination management — This article is part of a series on intelligence cycle management, and deals with the dissemination of processed intelligence. For a hierarchical list of articles, see the intelligence cycle management hierarchy. It is a classic maxim of… …
67Dependent States — ▪ 2009 Introduction Europe and the Atlantic. For a list of populated Dependent States, see Table (Dependent States). In May 2008 Ilulissat, Greenland, was the site of an international summit on Arctic sovereignty attended by official… …
68nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …
69Protein adulteration in the People's Republic of China — refers to the adulteration and contamination of several food and feed ingredients with inexpensive melamine and other compounds such as cyanuric acid, ammeline and ammelide. These adulterants can be used to inflate the apparent protein content of …
70Military history of the Aleutian Islands — Location of the Aleutian Islands off the coast of Alaska The military history of the Aleutian Islands began almost immediatel …
