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» Browse Science and Environment Term Papers
Geothermal Energy
Number of Words: 4709 / Number of Pages: 18
... things were very different. A great mass of elements swirled around a
dense core in the middle. As time went on the accumulation elements with
similar physical properties into hot bodies caused a slow formation of a
crystalline barrier around the denser core. Hot bodies consisting of iron were
attracted to the core with greater force because they were more dense. These
hot bodies sunk into and became part of the constantly growing core. Less dense
elements were pushed towards the surface and began to form the crust. The early
crust or crystalline barrier consisted of ultra basic, basic, calc-al ...
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Amyotrophic Lateral Sclerosis
Number of Words: 3540 / Number of Pages: 13
... usually appear in individuals between the ages of 40-70, though the disease has been reported in both younger and older persons. Survival after the confirming diagnosis is, on average, two to five years. Progression of ALS varies with each individual; therefore, some will live longer--up to 10 years, and about five percent will exceed 12 years. In some cases, the disease seems to plateau. Many patients are able to live productive and satisfying lives especially with the use of assistive devices for daily living, and later in the disease, augmentative communication equipment.
Men and women are affect ...
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Bulemia
Number of Words: 651 / Number of Pages: 3
... part in her illness. I also took into
account that her mother had passed away about 7 years before she broke
her news to me, and she had also given up her crown as Miss Iowa, so
depression could have been a factor as well. Another aspect of eating
disorders that I discovered is a lack of self-esteem, something I never
imagined.
The first source I found to dispute the sexual repression hypothesis
was in Psychology Today. Dr. Sarah Leibowitz theorized that sexual
maturity is a consequence of the disorder, not the raison d'etre. She
contends that a lack of self-esteem is a major caus ...
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A Beginning And End
Number of Words: 698 / Number of Pages: 3
... the days are becoming longer now. As I walk and explore this new
morning, I cannot help but notice the activity that surrounds me. Gardens are
being tilled and planted for the ground is warm and will soon break with sprouts
of future bounty. Butterflies of every color are seen flittering and fluttering,
while insects of all kinds are heard buzzing and humming. Butterfly and insects
eagerly emerge from their winter homes intent on the tasks which lie ahead. The
landscape is a palette of every shade of green imagineable. Before my very eyes,
a kaleidoscope of colors splash the horizon ...
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Aandp Kidney Problems
Number of Words: 566 / Number of Pages: 3
... do not filter through the Glomeruli wall continue through the Kidneys blood supply, allowing it to reenter the renal vein and inferior vena cava. On a normal basis only small molecular weights (such as sugars, fatty acids, water, etc.) Are filtered at the renal Glomeruli. Larger waste such as proteins and hormones do not normally filter through the glomular barrier. If the Glomeruli are damaged by an infection than substances, which are not normally filtered, will end up in the renal urinary tubules. This will allow the red blood cells to discolor the urine and appear on a Urinalysis, which is a si ...
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Cryogenics And The Future
Number of Words: 1423 / Number of Pages: 6
... in which the temperature
of a gas is expanded without adding or extracting heat from the gas or the
surrounding system"(Vance 26). At the same time Pictet used the "Joule-Thompson
Effect," a thermodynamic process that states that the "temperature of a fluid is
reduced in a process involving expansion below a certain temperature and
pressure"(McClintock 4). After Cailletet and Pictet, a third method, known as
cascading, was developed by Karol S. Olszewski and Zygmut von Wroblewski in
Poland. At this point in history Oxygen was now able to be liquefied at 90 K,
then soon after liquid Nitrogen was ...
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Depression 5
Number of Words: 2664 / Number of Pages: 10
... roles in over 72 films is clinically depressed. During a time when Rod was down he wrote a letter to his wife and son:
I want to die; I don’t want to move. I have no feeling for movement. To be left alone, to disappear. Not to be bothered with washing, shaving, talking, walking, going to the bathroom. If only to get out of this tunnel and heavy darkness, cold and oily, constantly pressing against my brain and being (Carter, 39)
What would cause highly successful people like Rod Steiger, Kathy Cronkite, Patty Duke, even television reporter Mike Wallace and British Prime Minister Sir Winston Chur ...
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Digestive Systems Of Humans, Earthworms, And Grasshoppers
Number of Words: 1293 / Number of Pages: 5
... in turn stopping the chemical breakdown of starch into maltose. Pepsinogen, which is an inactive enzyme, will change to pepsin, an active enzyme, when mixed with hydrochloric acid. Pepsin breaks down proteins, forming chains of amino acids called polypeptides. Chyme, a mixture of churned food, mucus, and digestive enzymes, is formed and will pass through the pyloric sphincter into the small intestine.
The small intestine is made up of three parts called the duodenum, jejunum, and ileum. All three parts aid in peristalsis. They also help with the chemical breakdown of simple sugars, amino acids, vi ...
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The Dung Beetle, What A Marvelous Creature.
Number of Words: 643 / Number of Pages: 3
... being rolled into balls and taken away by bugs. To realize why dung
beetles are so important, you must first know a few facts about them. Dung
beetles are named after their delight in rolling up dung. Dung beetles
utilize the dung of cows, horses, rabbits, deer, sheep, and many other
animals. How many of you think dung beetles actually eat manure? The
answer is yes. Dung beetles just love fresh dung. They shove the dung into
their mouths, squeeze it, and drink the juices that come streaming out! The
solid parts of the dung are squeezed for a second time in their jaws, and
then swallowed. If ...
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Appalachian
Number of Words: 1096 / Number of Pages: 4
... forces producing the Catoctin rift basalts that can be observed in the Shenandoah. As they rifted apart, they created a growing ocean called the proto-Atlantic or Iapetus after the father of Atlas, for whom the Atlantic Ocean is named. Towards the end of the Precambrian, the tensional forces changed to compression and subduction began. Volcanic islands grew as a result of andesitic volcanism associated with the subduction.
With continued subduction and convergence, volcanic islands collided with North America and those rocks were thrust up on the continental margin. Deformation, metamorphi ...
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