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From small acts of defiance to mass marches and meetings, the civil rights movement fought for positive change and won. The movement was formed by people in the 1950s and 60s who would…
(Encyclopedia) molybdenummolybdenumməlĭbˈdənəm [key] [Gr.,=leadlike], metallic chemical element; symbol Mo; at. no. 42; at. wt. 95.96; m.p. about 2,617℃; b.p. about 4,612℃; sp. gr. 10.22 at 20℃;…
(Encyclopedia) zinc, metallic chemical element; symbol Zn; at. no. 30; at. wt. 65.38; m.p. 419.58℃; b.p. 907℃; sp. gr. 7.133 at 25℃; valence +2. Zinc is a lustrous bluish-white metal. It is found in…
(Encyclopedia) ultraviolet astronomy, study of celestial objects by means of the ultraviolet radiation they emit, in the wavelength range from about 90 to about 350 nanometers. Ultraviolet (UV) line…
(Encyclopedia) protein, any of the group of highly complex organic compounds found in all living cells and comprising the most abundant class of all biological molecules. Protein comprises…
Contraction Timeline The Events of 2001-2002 by John Gettings 2001 Oct. 24 A Canadian newspaper, The Windsor Star(Ontario) publishes a report that Major League Baseball…
AURORASLAYERS OF THE ATMOSPHEREOZONE LAYERFIND OUT MOREPRESSURE SYSTEMSThe Earth would be as lifeless as the Moon without the atmosphere – a blanket of gases surrounding the planet and…
EQUATORIAL FORESTCLIMATE ZONESHEAT FROM THE SUNMOUNTAIN CLIMATESCOASTAL CLIMATESSEASONSFIND OUT MOREEvery part of Earth has its own climate – the typical pattern of weather over a long period…
