HOW DOES FARMING CHANGE THE LANDSCAPE? HOW DOES INDUSTRY AFFECT THE LANDSCAPE? WHAT CHALLENGES FACE THE HUMAN POPULATION? POLLUTIONGLOBAL WARMINGFIND OUT MOREOver six billion people live on planet…
(Encyclopedia) chromatographychromatographykrōˌmətŏgˈrəfē [key], resolution of a chemical mixture into its component compounds by passing it through a system that retards each compound to a varying…
1929—1968, American clergyman and civil rights leader
Dr. Martin Luther King, Jr., prepares to speak to a crowd of 200,000 marchers in Washingtion, DC. Related Links…
Zeus, park rangers, and the probability of being struck by lightning by Borgna Brunner Lightning Links Lightning Dangers & Fatality StatisticsEncyclopedia: LightningWeather &…
Here are the key news events of the month organized into three categories: World News, U.S. News, and Business, Society, and Science News. World | Nation | Business/…
(Encyclopedia) latitude, angular distance of any point on the surface of the earth north or south of the equator. The equator is latitude 0°, and the North Pole and South Pole are latitudes 90°N and…
(Encyclopedia) stratospherestratospherestrătˈəsfēr [key], second lowest layer of the earth's atmosphere. The level from which it extends outward varies with latitude; it begins c.51&fslsh;2 mi (9…
(Encyclopedia)
CE5
Van Allen radiation belts: The solar wind, a stream of protons, electrons, and ions coming from the sun, gives the belts their asymmetrical shape.
Van Allen radiation belts,…
(Encyclopedia) vapor pressure, pressure exerted by a vapor that is in equilibrium with its liquid. A liquid standing in a sealed beaker is actually a dynamic system: some molecules of the liquid are…