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Disease in Africa "The fact remains that lowland, tropical Africa may well have the most intractable disease environment in the world."(Bohannan & Curtin,35) In order to understand diseases in Africa, one must first be acquainted with its geology. Africa is a gigantic landmass that is over 5200 miles long and 4600 miles wide. The continen...
I went online and found out a lot of information about boiling water. If you cover the tin and allow the water and air to cool down, the air will cool and contract, lowering the pressure in the tin. If it lowers enough, the partial vacuum will collapse the walls of the can! The boiling point definitely reduces with air pressure. There is a f...
Inventions Benefited Society Every year we hear more good news about inventions, especially in technology. Technology has meliorated peoples' lives in numerous ways, the technology let us to keep personal information or household budgets. Computers are one form of technology that has made the most beneficial contribution to society...
Fetal Alcohol Syndrome A pregnant woman's lifestyle ultimately affects the development of her baby. Excessive exposure to alcohol during pregnancy can inflict serious, permanent physical and mental damage on her child. When a pregnant woman drinks alcohol she is making her child drink also. In knowing how Fetal Alcohol Syndrome ca...
In this report I will give a history on the development of the atomic theory. I will cover some of the most important dates in the development of atomic theory. An atom was first thought of by the Ancient Greeks who believed that matter was made of smaller particles called elements. The name they gave to these particles was the...
The beginning of the CFC(chlorofluorocarbons) era started in 1928, when CFC' were invented by a Du Pont chemist. CFC' were best known as "freons" and became famous as a safe, nonflammable refrigerant. It's invention became a great triumph when Freon took the place of sulfur dioxide or ammonia which was used as the working liquid in refrigerator...
Lyra-the star LYRA A pale blue light in the lower part of Lyra shines the Th brightest star in the sky, Vega. This brightest star of Lyra is moderately above Caster and below Regulas in the Hertzpring-Russell diagram. It is between spectral classes B and A and between 10 and 100 times the real brightness of the sun. Vega ignites it's reign sky...
The saw whet is rarely heard at night, unless it is during mating season. During it?s mating season it can be heard easily from the woods. It?s breeding season in between March and April. Usually the nest in is a hollow tree. Decayed wood fibre matted with owl?s feathers is supplemented with a small quantity of soft, dry grass. The...
People across the world keep dogs as pets. These dogs are usually a big part of their owners lives and often grow up to truly be, "man's best friend,". What, then, can be done for a dog with behavior problems? Through recent research it has been established that dogs, like many humans, do suffer from mental disorders. There is however, a va...
GENERAL DESCRIPTION The humpback whale is a baleen whale and a rorqual whale that sings amazing songs. It performs complex and cooperative feeding techniques. The humpback has a bulky head with bumpy protuberances (tubercles), each with a bristle. Humpbacks are acrobats of the ocean, breaching and slapping the water. They live in pods and hav...
Geographers can tell you that the one thing that most rivers and their adjacent flood plains in the world have in common is that they have rich histories associated with human settlement and development. This especially true in arid regions which are very dependent upon water. Two excellent examples are the Nile and the Tigri...
I did my report on filariasis, which is more commonly known as elephantiasis. is the late phase of filariasis. Filariasis is a tropical mosquito born parasitic disease causing obstruction of the lymph vessels. In some people the presence of the worm causes a tissue reaction that causes the lymph flow to be blocked. This...
The Asynchronous Transfer Mode has been chosen as the standard system concept for integrated broadband communication networks by the ITU_T. The system is predicted to grow rapidly as soon as it becomes widely accepted by network operators and users. Why has communications evolved in history towards the ATM concept and why has it been chosen as...
Autumn, in a deeper sense, is a magnificent ending to an era. Although all the leaves fall and the sun fails to shine for as long each day as it did during the summer, the death of the cycle of the living seasons is spectacular. It brings vibrant color, tolerable weather, and the promise that it will return again in the spring. Like life, peopl...
