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Mach number
(Encyclopedia) Mach numberMach numbermäk [key] [for E. Mach], ratio between the speed of an object and the speed of sound in the medium in which the object is traveling. An airplane that has the…Online Computer Spending by Kind of Business, 2003–2005
Online retail spending (bil.dol.) Percentage of spending online Category 2003 2004 2005 2003 2004 2005 Total $53.1 $ 66.0 $ 79.2 n.a.n.a.n.a. Personal computers 8.…Advanced-Level Science Projects: What's in a Color?
What's in a Color?Advanced-Level Science ProjectsChemistryWhat's in a Color?Copper Magic Are all colors created equally? Is the red dye in your favorite magic marker simply made up of red chemicals…Chemistry: Determining the Concentration of a Solution
Determining the Concentration of a SolutionChemistrySolutionsWhat Are Solutions?How and Why Do Things Dissolve?Determining the Concentration of a SolutionFactors That Affect SolubilityDilutions…Freedom in the World, 2008
Since 1978, Freedom House has published Freedom in the World, ======= an annual comparative assessment of political rights and civil liberties around the world. Widely used by…Freedom in the World, 2009
Since 1972, Freedom House has published Freedom in the World, an annual comparative assessment of the state of political rights and civil liberties around the world. Widely used by…Freedom in the World, 2007
Since 1978, Freedom House has published Freedom in the World, an annual comparative assessment of the state of political rights and civil liberties around the world. Widely used by…The Organization of Islamic Conference Member States
Currently, the OIC has 57 member and 5 observer states Source: Organization of the Islamic Conference The Organization of the Islamic Conference (OIC) is an international organization grouping…Teachers' feelings of preparedness
Teachers in the 2000 survey reported the extent to which they felt prepared for the overall demands of their teaching assignments and for eight specific classroom activities.…