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» Science Essays and Papers
The Element Carbon And Its Importance
<view this essay>.... carbon and ash
result when materials containing carbon are burned or heated without enough
oxygen for them to burn completely. For example, if oil, natural gas, or
other petroleum fuels are burned in limited supplies of air, powdery-black
soot of amorphous carbon, called carbon black, is formed. Carbon black is
used in rubber products and paint. Charcoal is used as a cooking fuel and
ivory black, made by heating ivory, is used as a pigment in paint.
Most carbon occurs in combination with other elements. For example,
the carbon dioxide in the air is a compound of carbon and oxygen. Other
compounds containing carbon include minerals such as lim .....
Number of words: 1089 | Number of pages: 4 |
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Genetic Engeneering
<view this essay>.... pollution, killing crops, animals or even us, is it such a good idea to play with gods creations? Only you could decide.
A lot of scientists believe that genetic engineering is a revolutionary brake through. With the use of gene technology it is possible to create a ‘perfect’ organism. Useful characteristics can be transferred from one species to another, this includes animals with plants and vice a versa. As a result it is possible to make foods with high resistance to whether, temperature, pesticides, etc. therefore crop quality and amount grown would increase. Another area of genetic technology involves inserting genes into plants to make .....
Number of words: 815 | Number of pages: 3 |
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Bipolar Disorders
<view this essay>.... symptoms, it is imperative that we remain vigilant in the
quest for explanations of its causes and treatment. Affective disorders are characterized by a smorgasbord of symptoms that can be broken into manic and depressive episodes. The depressive episodes are characterized by intense feelings of sadness and despair that can become feelings of hopelessness and helplessness. Some of the symptoms of a depressive
episode include anhedonia, disturbances in sleep and appetite, psycomoter retardation, loss of energy, feelings of worthlessness, guilt, difficulty thinking, indecision, and recurrent thoughts of death and suicide (Hollandsworth, Jr. 1990 ). The mani .....
Number of words: 1763 | Number of pages: 7 |
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Magic And Science
<view this essay>.... their mark and give people something to think about, a mark which will never be forgotten. Although magic is able to deceive the minds of many, few understand its effect of misdirection of the human mind.
The first accounts of magic were recorded around 1700 B.C. It appeared on the Westcon Papyrus and was recorded by an Egyptian chronicler. Stories of magic were handed down for centuries (Blackstone, 12). It has made a profitable living for soothsayer and gypsies, but there are times when magic was a form of entertainment. During the seventeenth century magic has become a living for some entertainers. Jugglers, wizards, and fortunetellers often appea .....
Number of words: 1503 | Number of pages: 6 |
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Air Pollution
<view this essay>.... car fumes, burning of fossil fuels,
furnaces. By letting all these gases release into the air, it makes it harder to breathe.
Ozone can cause part of your lungs to close off and make it harder to breathe.
The tall smokestacks used by industries and utilities do not remove pollutants but
simply boost them higher into the atmosphere. These pollutants may then be transported
over great distances, causing adverse effects such as acid rain in areas far from the
emission site. The worldwide increase in the burning of coal and oil since the late 1940s
has led to increasing concentrations of carbon dioxide. The resulting greenhouse effect has
reduced the escape of .....
Number of words: 320 | Number of pages: 2 |
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Comparing Ballistics Of A .30-06 And .270
<view this essay>.... outdoor activities. The depth of this rifle is superb compared to the .270, mainly because it is of a higher caliber, and that means more power. The bullets can come from ranging anywhere from 110 grain to 220 grain, soft, regular (sharp), and hollow pointed shells. With 180 grain bullets, the .30-06 packs about 1300 ft./lbs. of energy at 400 yards. Although, at 400 yards the drop is almost 50 inches; most hunters prefer this one compared to other rifles because of its versatility and accuracy. The expansion is also good, depending on the type of shell tired-used. The kick and distance of the gun are considered to be wonderful because the kick is normal .....
Number of words: 559 | Number of pages: 3 |
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Endangerd Species
<view this essay>.... danger to never be seen again. An endangered specie can get extinct any time, if it is endangered today it might be extinct tomorrow or extinct in the future. Or it might not happen like that. If you leave it alone and do not harm it, it might have baby’s and have more of its kind. A species is named endangered when of its kind occurs in a low number. About 1000 species in the world are named endangered, or are in threat to be extinct. I never knew that some kinds of birds were in danger. We can help these animals and plants by making laws that you are not allowed to hunt or kill any animal that is in danger of extinction.
Government Involvement
Only sin .....
Number of words: 1562 | Number of pages: 6 |
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Biological And Chemical Weapons
<view this essay>.... and biological warfare is so effective. Throughout the medieval times, Cadavers were catapulted over castle and fortress walls. Disease would spread within the enclosed walls. Cadavers were also placed up stream and the inhabitants of the fortress would drink the deadly, microorganism infested water. are very inexpensive. It does not take a very sophisticated industrial base to produce lethal chemicals. This makes it a viable means of warfare for Third World countries. The use of chemical weapons by Iraq and Libya in 1988 reinforces the danger that these weapons will spread (Cass 1996).
Not only are these weapons cheap, but they are very effective .....
Number of words: 1582 | Number of pages: 6 |
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