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Science & Nature Essays and Term Papers
Army AntsContemporary Science Topics
A quote made by Lewis Thomas, "Ants are so much like human beings as to
be an embarrassment. They farm fungus, raise aphids as livestock, launch armies
into war, use chemical sprays to alarm and confuse enemies, and exchange
information ceaselessly. They do everything ...
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Effects Of SmokingOne of the most addictive and destructive, over-the-counter drugs known to modern man. One of the few legal substances available in stores that can injure or kill when used as intended. Most rational people know this as a fact, yet many continue to smoke. Some smokers know, deep in their hearts, ...
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CometsA comet is generally considered to consist of a small, sharp nucleus
embedded in a nebulous disk called the coma. American astronomer Fred L. Whipple
proposed in 1949 that the nucleus, containing practically all the mass of the
comet, is a �dirty snowball� conglomerate of ices and dust. Major ...
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About All SharksSHARK FAMILIES: There are more then 350 know species of sharks today, which can
all be placed under 8 scientific orders that contain 30 families. They are
placed into these categories by their shared characteristics, this is called
taxonomy. The more closeley related species are placed in ...
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Pesticidesis somewhat of an umbrella topic. A pesticide is classified according to what its job is to control. There are four main types, or classes, of . They are herbicides, fungicides, rodenticides, and insecticides.
Herbicides are used to prevent the growth of, or to kill existing, unwanted plants. ...
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Mental IllnessThe name The name of my book is by Gilda Berger. is a disorder characterized by disturbances in a person�s thoughts, emotions, or behavior. The term can refer to a wide variety of disorders, ranging from those that cause mild distress to those that severely impair a person�s ability to ...
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Lighting AdvancmentsHave you wondered why streetlights are yellow, or why the year 2000 cars have brighter headlights and they are a different color? Have you ever wondered how the indiglo light on your watch works, or why it glows green and not white? And did you know that same indiglo light can be used while ...
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Leprosy 2Leprosy is a chronic infectious disease of human beings that primarily affects the skin, mucous membranes and peripheral nerves. It is a disease that has existed for thousands of years, however, the formal discovery of the leprosy bacillus Mycobacterium leprae was not until 1874. Norwegian ...
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Inventions Of The Early 19th Century----------------------------------------------------------------------------
FILE CONTAINED: INVENT.TXT
ACTUAL TOPIC: Inventions of the early nineteenth century.
AUTHOR AND RESEARCHER: Big Brother @ The Works (617) ...
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Argumentative EnvironmentCurrently, a controversy is swirling over the issues raised by the despoiling of the world's natural environment. Poet Stanley Kunitz in "The War Against the Trees" depicts a man watching his neighbor, "who sold his lawn to standard oil" (Kunitz 122), laugh as bulldozers ruin the natural beauty ...
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Pollution Getting The Best OfPollution is the introduction of harmful substances or products into the environment. It is a major problem in America and as well as the world. Pollution not only damages the environment, but damages us also. It has caused many problems ranging from lung cancer to the greenhouse effect. It is all ...
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Canadian Black BearThe There are 8 kinds of bears (Ursus) in the world but I chose the North American Black bear (Ursus americanus). I will be covering general information about the bear such as their size, weight, color, food, etc., but I will concentrate mainly on the hibernating cycle of the black bear. There ...
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The Effects Of Antibiotics On Bacterial GrowthBiology II
Bacteria are the most common and ancient microorganisms on earth. Most
bacteria are microscopic, measuring 1 micron in length. However, colonies of
bacteria grown in a laboratory petri dish can be seen with the unaided eye.
There are many divisions and classifications of bacteria ...
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ValvesThe primary purpose of a valve is to direct the flow of fluids by starting, stopping, and throttling flow to make modern processing possible. are designed to withstand pressure temperature, and flow, and can be found in homes and industry across the world. The most common found in the ...
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Mechanical EnergyHave you ever wondered how a jet aircraft lifts its tremendous weight
off the ground, or what gives a runner the stamina to reach the finish line
in a race? In order to answer all these questions we must talk about the
transformation of one sort of energy into another.
The jet aircraft gets ...
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FrogsFrog is the common name for a species of amphibian that also includes
toads. A very common question is �whats the difference between and toads?�
, the answer: none, except for the fact that toads lack the powerful legs that
have. �Where can and toads be found?�, one might ask. They live ...
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Global WarmingMy position on is that despite the media's claim of a rising climate, in reality there is no cause for concern. Inane reports regarding are yuppie-tree-hugger propaganda. The information defending their case is misleading and inaccurate. The truth of the matter is that our impact on the ...
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Human Evolution In AfricaHumans, as we consider ourselves, evolved in Africa. Not entirely, but from early primates to our present state. Many people dispute this fact, despite astounding evidence supporting the theory, for various reasons. Showing all the genetic, paleological, and geological proof, I find it very ...
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Cryogenics is an entire field of physical science. It is the study of matter at temperatures much colder than those that occur naturally on Earth. temperatures are considerably lower than those encountered in ordinary physical processes. There is another field of interest associated with very cold ...
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Adaptions In Ectothermic And Endothermic Animals To Extremeclimates
First of all we need to understand what ectothermic and endothermic animals are.
Animals differ in their abilities to regulate body temperature (thermoregulation). We sometimes use the terms "cold-blooded" or "warm-blooded." Most reptiles feel cold to the touch, while mammals and birds ...
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CloningGenetic engineering, altering the inherited characteristics of an organism in a
predetermined way, by introducing into it a piece of the genetic material of
another organism. Genetic engineering offers the hope of cures for many
inherited diseases, once the problem of low efficiencies of ...
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Evidence Of Technological ChangeThe early evidence on the importance of technological changes a source of the shifts in the relative demand for different types of labor during the 1980s came from case studies. The Bureau of labor Statistics conducted several case studies of the effects of changes in production processes in ...
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Plate TectonicsThe main features of are:
The Earth's surface is covered by a series of crustal plates.
The ocean floors are continually, moving, spreading from the center, sinking at the edges, and being regenerated.
Convection currents beneath the plates move the crustal plates in different directions.
The ...
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CloningIs there a good side to human ?
Technology is changing the world as we know it. Not all of these advances in technology are viewed as positive. One of the breakthroughs that has received mixed responses is the issue of . There has been much debate on this topic, and the debate is certain to rage ...
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Millennium BugWhat Effect will the have on Society?
People talk about the , but few actually know what it is and how big an effect is could have. Virtually everything is our society is vulnerable, from water and electricity to our phone bills and savings accounts. The is a design fault dating back to the ...
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