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Search results 1461 - 1470 of 1572 matching essays
- 1461: Environmental Crisis
- ... grow in the foreseeable future because at present 45% of the population is under 15 years of age. In the North the population growth is slowing down because children are considered an expense. In Italy, Germany and Austria, the growth rate is negative. The slowdown in population growth is a result of the lower fertility rates that have accompanied improvements in the quality of people's lives and the increasing use ...
- 1462: The Forever Moving Land
- ... of the land to slide downwards along a plane that is slanted. This kind of 'downward-fault' produces trench-like valleys called grabens similar to the Rhine Valley on the border of France and West Germany. Reverse faults, or compression faults, are caused by the collision of two plates at convergent boundaries. Most faults are produced by this compressional force. Like normal faults, these faults also cause vertical movements where one ...
- 1463: Green Laws Boost Clean-up Iindustry
- ... Investments on a volunta-ry basis are often due to the fact that it makes good ecnomic sense or because it gives the corporate image a face- lifting. Seen from a geoprahical point of view Germany and primarily eastern Europe form tremendously good breeding ground for the sale of clean-up equipment. As a result of opencast mi-ning of lignite coal in Poland, for example, a huge clean-up is ...
- 1464: Human Evolution
- ... to modern humans. This disagreement has especially focused on the place of Neandertals (or Neandertals), often classified as H. sapiens neanderthalis, in the chain of human evolution. The Neandertals (named for the Neander Valley in Germany, where one of the earliest skulls was found) occupied parts of Europe and the Middle East from 100,000 years ago until about 35,000 to 40,000 years ago, when they disappeared from the ...
- 1465: Problems Caused By Air Pollution
- ... as fluorides (Sproull 112). Trees are dying because of air pollution. The German Ministry of Food, Agriculture, and Forestry say that the primary cause of damage to more than half of forested regions of West Germany in 1988 was air pollution (Edelson 37). Ponderosa pine forests have been severely damaged by air pollution (Sproull 111). Artwork and history is being erased as air pollution causes them to deteriorate (Edelson 45). The ...
- 1466: Acid Rain
- ... these places can not neutralize acid rain deposits, then the nutrients are stripped which means the crops in those places may not survive. The Black forest is a mountainous region in Baden-Wurttemberg, in southwestern Germany. The valleys are fertile and make good pasture land as well as providing good soil vineyards. No forest region is showing serious effects of acid rain. Many trees are dying, the forest lost masses of ...
- 1467: Destruction of the Ozone Layer
- ... that environmental problems will affect people in years to come. In 73% of the countries, citizens said they would pay higher prices for more environmental protection. The countries polled were Brazil, Canada, Chile, Denmark, Finland, Germany, Great Britain, Hungary, India, Ireland, Japan, Mexico, Netherlands, Norway, Philippines, Poland, Russia, South Korea, Switzerland, Turkey, United States and Uruguay ( "Poll Finds Global Environmental Concern 365). With these attitudes, we can be hopeful that most ...
- 1468: Rubidium
- ... atomic mass is 85.4678. In French and German it is rubidium, in Italian and Spanish it is rubidio. History and General Facts Rubidium was discovered spectroscopically in1861 by Robert Bunsen and Gustav Kirchhoff in Germany. They experimented with spectral lines of light, now called spectroscopy. They noticed that, when heated or burned, different elements produced distinctive colors of light when transmitted through a prism. One element in the mineral lepidolite ...
- 1469: Uranium: Nuclear Friend or Nuclear Foe
- ... As early as the sixteenth century it was recognized that men who worked in pitchblende( a chemical containing iron ore) mines were subject to fatal pulmonary diseases. An early study of the Schneeberg mines of Germany conducted between 1869 and 1877 found that 650 miners working in the mines had a life expectancy of 20 years after entering the mines. It was two german doctors, Harting and Hesse, who brought this ...
- 1470: Alchemy
- ... Spain itself by Raymond Lully. Later, in French alchemy the most illustrious names are those of Flamel (b. ca. 1330), and Bernard Trevisan (b. ca. 1460) after which the center of of interest changes to Germany and in some measure to England, in which countries Paracelsus, Khunrath (ca. 1550), Maier (ca. 1568), Norton, Dalton, Charnock, and Fludd kept the alchemical flame burning brightly. It is surprising how little alteration we find ...
Search results 1461 - 1470 of 1572 matching essays
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