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Essays on Science

Acid Rain
Download This PaperWords: 1273 - Pages: 5

... contribute most of the rest. In the air, the sulphur dioxide and nitrogen oxides can be transformed into sulphuric acid and nitric acid, and air current can send them thousands of kilometres from the source.When the acids fall to the earth in any form it will have large impact on the growth or the preservation of certain wildlife. NO DEFENSE Areas in Ontario mainly southern regions that are near the Great Lakes, such substances as limestone or other known antacids can neutralize acids entering the body of water thereby protecting it. However, large areas of Ontario that are near the Pre-Cambrian Shield, with quartzite or granite based ...



Mammals
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... others are able to walk and even run immediately, and may be born fully furred and with their eyes and earsopen. The largest mammal, the blue whale, Often exceeds 30 m (100 ft) in length, and the smallest shrews, mice, and bats are often less than 5 cm (less than 2 in) in length. In many mammals the color of the skin or fur blends with the animal’s natural surroundings. In others there is great contrast with the natural surroundings to favorvisual signals that provide information about theidentity of a species, and about the gender, age, orsocial status of an individual. The skin also functions as a sensory and excretory organ and contains specialized ...



The Year 2000 Bug
Download This PaperWords: 2317 - Pages: 9

... order to understand the Y2K bug we must first understand what it is. For many years electronic storage was very expensive. In the early days of computing a Megabyte or a million bytes of information could have cost up to $100,000 to store electronically. This same amount of information storage can now cost around ten cents. Because of this expensive storage limitation code written for these older computers was compressed in any way possible. One way to cut down the size of code was to compress dates to a format only six characters long. So instead of April 14 1999 the date would be compressed to 4/14/99. At the time of this programming this seemed to be th ...



Anabolic Steroids
Download This PaperWords: 1971 - Pages: 8

... repair and slow down the body’s natural tendency to break down muscle. Popular media has insinuated to the public about horror stories and the dangers. If they are so dangerous then why do doctors prescribe them? Why do pharmacies all over the planet still make them and sell them? To have an opinion on whether steroids are safe are not, it would help to know how they work and what responsibilities are needed when choosing to take them. are a synthetic for of the naturally occurring hormone, testosterone. are used to promote accelerated muscle hypertrophy in both males and females. Hypertrophy describes the increase in size of muscle as the result of ...



Asteroid Defense
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... tedious and never ending job, but is necessary for the defense system to work. It would do us humans no good to have some sort of defense against asteroids if we don’t know when they will strike. So after thinking about an anti-asteroid defense system, I think that our government should look into constructing one. When one thinks about what an asteroid could do to our planet it is usually a very scary thought. In the past we have been very lucky with where asteroids have hit our earth. Back in 1908 in the Tunguska region of Siberia, an object from space hit there causing miles of forest to be devastated. If that same object had hit New York, it would have p ...



Extra Sensory Perception
Download This PaperWords: 1744 - Pages: 7

... called parapsychology. This is also called psychical research, or psi for short. Besides ESP, there is another branch of psi communication which includes the phenomenon in which an object seems to be moved by the mind alone. The mover does not touch the object which can be living or non living. This is called psychokinesis or PK. There are three accepted types of ESP, clairvoyance, precognition,and telepathy. Clairvoyance is the extra sensory perception of events that are taking place at the exact time of the perception, but the sensor cannot know of these events through any of the five senses. Precognition is the extra sensory perception of events in the f ...



Alchemy
Download This PaperWords: 3747 - Pages: 14

... or alchemy. HISTORY OF ALCHEMY: From an early period the Egyptians possessed the reputation of being skillful workers in metals and, according to Greek writers, they were conversant with their transmutation, employing quicksilver in the process of separating gold and silver from the native matrix. The resulting oxide was supposed to possess marvelous powers, and it was thought that there resided within in the individualities of the various metals, that in it their various substances were incorporated. This black powder was mystically identified with the underworld form of the god Osiris, and consequently was credited with magical properties. Thus the ...



Computer Mediated Evnvironments
Download This PaperWords: 5150 - Pages: 19

... and sellers are the number of households owning personal computers (over 33% in the U.S.) and the exponential growth of applications of the Internet, most notably the World Wide Web (WWW). With increased penetration of computers, particularly multi-media computers equipped with CD-ROM drives and modems, subscription-based services such as America Online (AOL), Prodigy, and Compuserve, where consumers are able to check airline flight schedules and make reservations, purchase a wide variety of products, and discuss product performance with other consumers, are becoming very popular. Households in Chicago and San Francisco can purchase groceries from home usi ...



Using Bicycles As An Alternative To Automobiles
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... this out. In 1990 Americans spent 17.9 percent of the GNP on transportation, whereas the Japanese spent only 10.79 percent on transportation. This difference of nearly 7 percent, gives the Japanese economy much more money for investing in their future. Our Economy is not the only thing we should worry about, and it is also not the only thing that can be improved by the use of bicycles. There are several major problems that could be drastically reduced by the increased use of bicycles. Traffic would be a lot lighter due to the extremely small size of bicycles. It would also greatly reduce the wear and tear on our roads and highways, and therefore reduce gov ...



Digestive Disorders (liver)
Download This PaperWords: 395 - Pages: 2

... to protect the liver. However, it collects too much and that is how the abscess is formed. When you are diagnosed with amebic liver you are very likely to also have an intestinal infection from the disease as well. This is not true for all cases though. Most cases in which both occur are in places of high temperatures and poor sanitation. Africa, Latin America, Southeast Asia, and India have many health problems associated with the disease. The most common way to get this disease is from one person to another. The other most common way is through unhealthy food and badly sanitized water. Not eating properly and excessive drinking will only wors ...




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