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Depression 3
Number of pages: 3 | Number of words: 556

.... the end of an important relationship, financial problems, a chronic illness, or any other traumatic event. For many people, these incidents produce a mild to moderate case of the blues. They feel "down" for a while, but they are able to continue functioning and performing everyday tasks. Although these people may experience the chemical imbalance that is the hallmark of depression, the brain abnormality typically corrects itself within a few weeks. However, in some critical cases, the chemical alteration lasts for a much longer time, this is when mild to moderate depress .....


Define A Concept : Astrology
Number of pages: 3 | Number of words: 552

.... between the planets, including the Sun and the Moon, and the Star Signs. It studies the mathmatical cycles on which these interactions are based. In some ways, the forces between the planets involved in Astrology can be simplified into one word : gravity. The Sun has the greatest gravity and, therefore, the strongest affect on Astrology, followed by the Moon and the other planets. Astrology can be best understood as a philosophy that helpsd to explain life, rather than simply a tool used to predict one’s future or fate. Each of the twelve Star Signs is a unique comb .....


Digestive System
Number of pages: 6 | Number of words: 1451

.... is cut and chopped by the teeth. The tongue helps mix the food particles with a digestive juice called saliva, which is secreted in the mouth. Saliva moistens the food so it can be swallowed easily. It also changes some starches into simple sugars. It is important to chew food thoroughly to mix it well with saliva. Thorough chewing cuts food into small pieces that are more easily attacked by digestive juices. Food should not be washed down with quantities of liquid to avoid chewing. From the mouth the food is swallowed into a transport tube, named the esophagus, or gull .....


The Origin Of Life
Number of pages: 6 | Number of words: 1419

.... religious belief of Divine creation. From 1920 to 1986 the argument continues in the courtroom, and many, many books have been written debating the issue. Let us look at the three theories in depth. The evolutionist theory made known by Charles Darwin, states that humans came from his theory “survival of the fittest.” Charles Darwin based his theory on individual chances that determined the fate of the species. “Charles Darwin as we recall based his explanation of natural selection among individuals with equal chances of survival upon the following principles. The phenomeno .....


Hurricanes 3
Number of pages: 6 | Number of words: 1570

.... where Gilbert hit twice, first of all traversing the Yucatan Peninsula and two days later making landfall some 150 km south of the border with the USA, finally dissipating near the city of Monterrey. During its most intense phase at the western end of the Caribbean Sea, Gilbert was estimated to have central pressure of 885mbar, and maximum sustained winds in its circulation over 150kt (knots) with highest gusts in excess of 175 kt. The central pressure outrivalled the 899 mbar of the Florida Keys hurricane of 1935. Gilbert, at that stage an un-named tropical depression wit .....


Crude Operatons - Oil And The Environment
Number of pages: 7 | Number of words: 1862

.... World Research Institute, "…between 3 and 6 million tons of oil are discharged into the oceans every year" (Gorman 48). To put this in perspective, that is approximately 4 football stadiums filled to the top with oil. That is just every year…and this has been going on for more than a decade. In total, 45 million tons of oil in the past ten years that have been put into the oceans. There are several ways that oil ends up in the oceans. One method is through drilling accidents and another is through spillage from tankers and other transports. In 1990 alone, 1/8 of the to .....


The Polar Bear
Number of pages: 6 | Number of words: 1548

.... of its paws is that they have pads of dense fur on the bottoms. Polar bears are the only bears that have this feature. These pads help the bear retain heat and to grip the ice and provide better traction. Polar bears are fast movers. When on uneven ice the bear will “trot”, moving its legs on opposite sides in unison. It can trot at 12 to 18 miles per hour. When it is running, it can reach speeds of up to 35 miles per hour. The bear can travel around 50 miles on an average day. The polar bear is also an expert swimmer. The bear has a long neck with a small head whi .....


Iron And Rust
Number of pages: 2 | Number of words: 410

.... the iron from corroding. This method is also satisfactory but is also expensive. The most common example of this method is galvanizing, in which iron is covered with zinc. (3) Covering iron with an air proof and also a water proof substance. This method is the least expensive, therefore it is the most common. The forming of rust is known as a chemical reaction. A chemical reaction is defined as a process by which atoms are redistributed, resulting in a change in the molecular composition of the substances. Rust is also known as iron oxide. Rusting is a chemical react .....



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