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Minerals

... You can also find between 2,000 to 2,500 minerals in the earths crust. Minerals are formed in a positive response to their environment, most of them to deep for an observer. Environments in which minerals are formed far beneath the earths surface are plutonic igneous, pegmatitic, hot temperature vein, moderate temp. vein, low temp. vein, and a metamorphic environment. Environments in which minerals form near the earths surface are groundwater, weathering, and sedimentary. Minerals are divided into groups on the basis of their composi ...

Number of words: 174 | Number of pages: 1

Atomic Bombs

... substances that cause severe destruction. These bombs are explosive devises that depend on the release of energy in a nuclear reaction known as fission. The bomb releases energy of a million times greater than the equal weight of a chemical high-explosive such as TNT . During the World War 2 in 1945, the first Atomic Bomb blast on Hiroshima, Japan, obliterated three-fifth of the city within seconds and killed a total of 115,000 people in only a few minutes according to a local newspaper in Japan. Moreover, the second bomb being dropped a ...

Number of words: 593 | Number of pages: 3

Drugs: Glossary And Definitions

... powder, honey, and various elixirs are examples. Gel: A colloidal state in which the molecules of the dispersed phase form a three- dimensional structure in the continuous phase to produce a semisolid material such as a jelly. For example, a warm, dilute(2 percent) solution of gelatin(a protein mixture) forms, on cooling, a stiff gel in which the molecules of the continuous phase are trapped in the holes of a "brush-heap" like structure of the gelatin. Administered orally. Microemulsion: Microemulsions are thermodynamically stable, op ...

Number of words: 421 | Number of pages: 2

BETA PICTORIS: PLANETS? LIFE? OR WHAT?

... came from. Does or did our star, the sun, have a circumstellar disk around it? the answer is believed to be yes. Scientists believe that a newly formed star is immediately surrounded by a relatively dense cloud of gas and dust. In 1965, A. Poveda stated, “That new stars are likely to be obscured by this envelope of gas and dust (1).” In 1967, Davidson and Harwit agreed with Poveda and then termed this occurrence, the “ cocoon nebula” (1). Other authors have referred to this occurrence as, a “ placental nebula” (1), noting ...

Number of words: 1554 | Number of pages: 6

Light: A Fundamental Force In Our World

... a basic part of our existence, we should have a basic understanding of what it is. What we call light, the intangible, powerful force that powers our world, is somewhat hard to define in real terms. It shares properties with both particles and waves. It follows the same rules as a wave does--it moves in a regular fashion, in a perfect sine wave at a certain frequency. It travels in a straight line, and is subject to refraction. All of these characteristics are found in waves of any type, from radio frequency waves, up to Gamma and X- ra ...

Number of words: 892 | Number of pages: 4

Victor Frankenstein And His Use Of Science

... better and humans that are better quality, without disease or deformity through genetic engineering. Since the beginning of time humans have been obsessed with the idea of where life comes from, and how it is created. Charles Darwin originated the idea of evolution. Another theory that is used to explain the origin of life is the big bang theory that states that life was created from a cosmic explosion. Yet another theory on the origination of life is the existence of God and that God created the earth and all of the life on earth. Victo ...

Number of words: 911 | Number of pages: 4

Cetaceans And Evolution

... the skeletal systems are more than coincidental. The only difference is that the cetaceans adapted to a marine lifestyle. The front limbs became modified as paddle-shaped flippers, the bones of which are still reminiscent of jointed limbs and digits, but the hind limbs were lost. The broad horizontal tail flukes that provide the main propulsive thrust bear no anatomical connection to the lost hind limbs, but are a seperate and distint development. They contain no bone, and owe their firm and yet flexible shape to underlying fibrous elas ...

Number of words: 794 | Number of pages: 3

Apple Computers: Biography Of The Cfo

... that you have improved, whether a club or a skill, it tells you that you are willing to make a difference within yourself or with others. A second advice he gave was to be able to give an example of a failure that you have experienced. Being able to show a life lesson and reflect what you have learned from your failures prove that you are able to overcome obstacles and learn from your own mistakes. Lastly, he said to be able to describe a situation that you have resolved or fixed within a group. This illustrates your ability to be a ...

Number of words: 373 | Number of pages: 2

Dna 3

... smaller units. The basic unit of construction for the DNA molecule (DNA is considered a single molecule) is the base. There are four different bases found in deoxyribonucleic acid. These bases connect together into a long chain of bases to form the DNA molecule (much like pearls connect together to form a pearl necklace). The names of these four bases are adenine, cytosine, guanine, and thymine. Conventionally the bases are abbreviated as A, C, G, and T (respectively) for simplicity reasons. At the smallest level, DNA is organized into a doub ...

Number of words: 3302 | Number of pages: 13

Nature Vs. Nurture

... very similar, there are obvious differences between the sexes. Gender expectations are the stereotypes made about the social roles of men and women. “Experiments show that many people do act to fulfill gender expectations. For example, Mark Zanna and Susan Pack (1975) had college women write descriptions of themselves for a tall, unattached, male senior whom they anticipated meeting. Those expecting to meet a man who liked nontraditional women described themselves as relatively nontraditional. Those led to think he favored traditi ...

Number of words: 595 | Number of pages: 3

Cancer Treatments And Breakthroughs

... Surgery is quick, usually effective, and it accounts for the most cures. Many doctors must operate on their patients, but this treatment has several downsides. Just because a doctor has taken out the main tumor doesn't mean that the cancer cells are completely gone. They're too small to see, so doctors can't tell if they have taken it all out or not. So, just to be sure, doctors usually take out a lot of the healthy tissue surrounding the area. This could damage the person's system and their appearance. Also, cancer sometimes forms around st ...

Number of words: 1572 | Number of pages: 6

The Element Carbon And Its Importance

... carbon used in industry is amorphous carbon. Amorphous 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 combin ...

Number of words: 1089 | Number of pages: 4

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