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Science and Nature Term Papers and Reports
Managing Waste, To Save Our World
205 Words - 1 Pages

.... glass, we could reduce our municipal landfill sites by 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 manufa ....


Lichens
571 Words - 3 Pages

.... worldwide. They are especially suited for growth in harsh regions, where few plants can survive. They grow farther north and south than most plants, as well as higher on mountains. One unusual type grows completely submerged in the cold coastal waters of Antarctica. Some inhabit the Earth's driest deserts, where they grow almost entirely underground and obtain light and moisture through small openings in the ground. Few grow near cities because most cannot survive in industrial air pollution. There are notable exceptions, however: in England, for example, Lecanora conizaeoides is actually confined to areas of high pollution. The body of the lichen, the thallus, has three b ....


Genetic Engineering: Correcting The Code
1116 Words - 5 Pages

.... People with diseases, infertile men, and farmers especially should recognize the many benefits from genetic engineering. They could end up with a cure a lot faster and find easier ways of getting treatment to healthier foods. From this kind of example, genetic engineering should be a known and accepted practice. It is a safe way to create good quality foods, create new lives, and cure diseases. In May of 1994, the Food and Drug Administration approved a genetically engineered tomato called “Flavr Savr”. Many people cringe at the thought of eating them. These tomatoes, though, are proven better and healthier even though they are slow ripening. The idea of alterin ....


El-nino
1521 Words - 6 Pages

.... Pacific. The warmer ocean pumps more energy and moisture into the atmosphere and this in turn alters wind and rainfall patterns around the world. The atmospheric cirulation also changes when the sea-surface temperatures in the eastern tropical Pacific rise above normal. In normal, non-El Nino conditions, the trade winds blow towards the west across the tropical Pacific. These winds pile up warm water in the west Pacific, so that the sea surface is about 1/2 meter higher at Indonesia than at Ecuador. The sea surface temperature is about 8 degrees C higher in the west, with cool termperatures off South America, dut to an upwelling of cold water from deeper levels. Th ....


The Role Catalysts In Chemical Reactions, Their Importance In Industry, Problems And New Developments
1031 Words - 4 Pages

.... day manufacturing industry. Ninety per cent, over a trillion dollars' worth, of manufactured items are produced with the help of catalysts every year. It is therefore logical that scientists are constantly searching for new improved catalysts which will improve efficiency or produce a greater yield. An acidic catalyst works due its acid nature. Catalysts are strong acids and readily give up hydrogen ions, or protons: H+. Protons can be released from hydrated ions, for example H3O+, but more commonly they are released from ionisable hydroxyl groups (R-OH) where the O-H bond is broken to produce R-O- and H+. When the reactant receives protons from an acid it undergoes a c ....


Jaguars
822 Words - 3 Pages

.... would not be an issue as the cats inhabit different continents - the jaguar is the only member of the panthera family to be found in the Americas and its is by far the biggest cat on the continent. The range, which once spanned from the southern states of the USA down to the tip of South America, now centres on the north and central parts of the South American continent. The jaguar is predominantly a forest dweller with the highest population densities centring on the lowland rain forests of the Amazon Basin - dry woodland and grassland also serve as suitable terrain, although the cat is rarely found in areas above 8000 feet. The overall body size and coloration ....


Dolphins
878 Words - 4 Pages

.... is the smallest of all dolphins averaging about 4 feet. The bottlenose is closer to 10 feet. The killer whale, which is also considered a dolphin, can grow to be 30 feet long. The pilot whale is also considered a dolphin. Dolphins were once hunted by commercial boats for the small amount of oil that can be extracted from their body. This oil is used to lubricate small parts in watches. Cheaper oils have been found, so dolphins are not hunted for this reason anymore. Dolphins can be caught in tuna nets by accident. Since dolphins have to breath at the surface they drown in tuna nets. It is estimated that 4.8 million dolphins were killed in tuna nets from 1959 to 1972. U ....


Iron
1056 Words - 4 Pages

.... to work. Iron is a active metal and will combine with halogens, carbon, etc. It has an atomic weight 55.847, it's atomic number is 26, it's specific gravity is 7.86, it's melting point is 1535 degrees Celsius, and it's boiling point is 3000 degrees Celsius. It burns in oxygen forming ferrous oxide. When exposed to moist air, iron becomes corroded, forming a reddish - brown, flaky, hydrated ferric oxide, commonly known as rust. (Encarta, 1996) Iron is formed in shallow seas. It comes out of the water and collects on the sea floor. This creates an underwater deposit. This process occurs over billions of years. Through plate movement the whole sea floor is eventually m ....



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