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» Science Essays and Papers
Managing Waste, To Save Our World
<view this essay>.... almost 10%. Waste cannot be
simply thrown away anymore, now it must be managed. Managing our trash is the
"in thing", yet it is hardly convenient. Lets face the facts, sealed toxins
"won't affect us for a good twenty years". Although this may be true, there are
still many advantages to waste management.
Today, more people are in favour of companies who invest in "green products". As
a result, companies have removed phosphates, bleaches, and have made their paper
products out of recycled papers. At home, families, are saving things, like
leftovers, and making sandwiches for the next day. Industries are also
manufacturing most of their christmas cards out of .....
Number of words: 205 | Number of pages: 1 |
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The Physics Of A Crystal
<view this essay>.... Cubic crystals are described as being isometric, but not all isometric crystals are plain cubes. If the corners of a cube are cut off, the result is a polyhedron with six octagonal faced and eight triangular ones.
Aside from the isometric system, there is also; a tetragonal, orthorhombic, monoclinic, triclinic and hexagonal system.
Crystals may form when a solution of a substance evaporates. Crystals may also form when a vapor or molten substance solidifies.
Allotropes are different forms of the same element. For Example, oxygen has two allotropes, normal oxygen and ozone. Pure carbon also has two allotropes, diamond and graphite. A crystal of diamond i .....
Number of words: 331 | Number of pages: 2 |
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A Fabulous Analysis Of The Flamboyantly Gay
<view this essay>.... otherwise) but will instead focus on this different, equally important aspect which many homosexuals find immensely helpful for their psychological well-being, whether they know it or not.
In order to appreciate the theory I will soon explain one must first recognize a simple concept regarding the human mind. As most will agree, bottled emotions do more harm than good. The act of keeping feelings inside tends to create a “pressurized” effect on the brain, overloading the psyche with pent-up “garbage”. As is the case in any good romance movie, the onlooker with bottled emotions waits until the end to release everything, dramatically and emotionally releasing .....
Number of words: 605 | Number of pages: 3 |
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Acid Rain, Effects And Causes
<view this essay>.... health.
The actual term "acid rain" was first used over one hundred years ago by British chemist Robert Angus Smith. At that time, he realized that smoke and fumes from human activities could change the acidity of precipitation. Unfortunately his awareness was not considered an environmental concern until the 1950's. Around this time, increased levels of acidity were discovered in lakes in both Canada and Scandinavia. At first, this was looked at as an interesting situation, rather than a growing problem. Since that time, much research has gone into identifying the sources of acid rain and the damage that it causes. As research continued, the situation reac .....
Number of words: 1954 | Number of pages: 8 |
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Achondroplasia
<view this essay>.... arms and legs are short compared, to the chest. This shortness is particularly noticeable in the upper arms and thighs. Other signs are a large forehead, a flat or even depressed area at the base of the nose, a protruding jaw, and sometimes the teeth are crowded and the upper and lower teeth may be badly aligned. An adult with usually has an exaggerated forward curve to the lower spine. The legs of a person with almost always become bowed and the elbows often cannot be straightened completely. Sometimes the person has limited twisting ability at the elbows. The hands are short, and the feet are short and flat. Another sign is double jointedness, cause .....
Number of words: 997 | Number of pages: 4 |
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Irrigating Crops With Seawater
<view this essay>.... grown using ocean water for irrigation. Desert areas take up 43% of the surface of the earth and this new agriculture technique can be done in deserts. Hugo Boyko and Elisabeth Boyko first used seawater agriculture after World War II. Many different crops have been tested such as barley and the date palm. The writers of this article however have been testing halophytes, which, is a salt-tolerant plant that can be used for food, forage and oilseed crops. They first gathered several hundred halophytes and began testing these plants in the desert of Puerto Peñasco. They irrigated the plants daily by flooding the fields with seawater from the Gulf of Califor .....
Number of words: 849 | Number of pages: 4 |
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Dna 2
<view this essay>.... insulin molecule, or the entire proinsulin molecule. Prior to 1986, the A and B chains of the insulin molecule were produced by separate fermentations (growth of the genetically altered Escherichia coli under controlled conditions). The chains were purified and later combined by chemical techniques to produce insulin structurally and chemically identical to pancreatic human insulin. (Hyde, 1984)
As of 1986, human insulin began to be produced by a process which involves the enzymatic conversion of human insulin's biosynthetic precursor, human proinsulin. The genetic coding for human proinsulin is inserted into the special E. coli bacteria which are then gr .....
Number of words: 1906 | Number of pages: 7 |
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Internet Security 2
<view this essay>.... we are; from bank records and accounts to their driving history and insurance information. There have been countless cases of breaches in security, including theft of money, because of the lack of security on the Internet. I feel that the need for greater security measures on the net is increasing as we move towards the millennium and bigger security problems are created as we depend on computers more and more everyday.
Computer Systems these days are protected in one of two ways, or both. The first is through passwords. Passwords work only to a certain extent. Many people lack the forethought to make their password something that is not easily gues .....
Number of words: 1595 | Number of pages: 6 |
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