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Category: /Science & Technology
kind of rock that could pull other rocks of the same kind and pieces of iron toward themselves. They were called lodestones. Today man uses the same force exerted by electromagnets and permanent magnets to provide magnetic aide to trains and more
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Category: /Science & Technology
is new growth of tissue resulting from a continuous proliferation of abnormal cells that have the ability to invade and destroy other tissues.
Cancer is a multi-stage process where a series of irreversible genetic errors occur in a cell in
Details: Words: 1591 | Pages: 6.0 (approximately 235 words/page)
Category: /Science & Technology
pattern baldness is a typical pattern of hair loss in men, which is for the most part caused by a single dominant autosomal gene. Other factors include the male hormone androgen, age, and genetic predisposition.
Each month the scalp hair grows
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Category: /Science & Technology
to the class that includes humans and all other animals that
nourish their young with milk, that are covered with varying amounts of
hair, and that possess a muscular diaphragm. Mammals have the most
highly developed nervous systems
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Category: /Science & Technology
weather patterns or as simple as the desert regions. With the advent of many technologies, the delicate balance of the environment has been upset (Elliot, 1961, p. 392). Strip mining, slash and burn farming, damming of rivers, and the extinction of
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Category: /Science & Technology
government has control of over one-third of the nation's land, and 398 million acres of that is controlled by the Bureau of Land Management (BLM 6). This land holds a wide diversity of resources, from timber and grazing lands found on the surface, to
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Category: /Science & Technology
But not just communication, being able to communicate ideas and concepts and in turn make them into reality. For years businesses have had to distribute written memos and other paperwork to their fellow employees in order to spread their ideas. In
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Category: /Science & Technology
think, feel, and act. These people have really extreme episodes of mania (highs) and depression (lows.) It happens to about 1% of the population, both equally in men and women. When the person is going through a manic episode they have lots of
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Category: /Science & Technology
advancements that civilisations have made have always been tied in with the development of energy sources. The first human energy technology was fire, along with human labour as the major energy source. This has bee supplemented by animals for
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Category: /Science & Technology
POLLUTION
Freshwater Environments : Man pollutes freshwater all over the world in many ways there is much waste and pollution that ends up in rivers.
One of the main hazards is called eutrophication, this process becomes enriched with artificial
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