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Attention Deficit Hyperactive Disorder
Number of words: 1297 - Number of pages: 5.... He knew of no medical reasons for their behavior and made no mention of their educational needs or social skills. He said that part of the problem with ADHD children was "deficient training in the home." In 1923, researcher, F. G. Ebaugh, was one of the first to publish a professional paper recognizing ADHD as a long-term problem requiring cooperation and intervention by several professional disciplines.
Over the past four decades, dozens of labels have been used for a collection of traits that has come to be known as Attention Deficit Hyperactivity Disorder. Children who have som .....
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What Is Macroevolution?
Number of words: 1087 - Number of pages: 4.... that once species have originated, and adapted to the new ecological niches in which they find themselves, they tend to stay pretty much as they are for the rest of their existence. Phyletic gradualism suggests that species continue to adapt to new challenges over the course of their history. Species selection and species sorting theories claim that there are macroevolutionary processes going on that make it more or less likely that certain species will exist for very long before becoming extinct, in a kind of parallel to what happens to genes in microevolution.
The history of the concept o .....
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Bulemia
Number of words: 651 - Number of pages: 3.... social
acceptability had to have played a large 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'etr .....
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Aedies Aegypti
Number of words: 933 - Number of pages: 4.... and banded legs. Its proboscis or snout is mostly black with regard to
the white palp tips (Russel 1996). The dorsal pattern of white scales on the scutum is in
the shape of a ‘lyre’ with two central based stripes that contrast with the dark scales
present on the insect (Womack 1993,
Russel 1996). Its wings are dark scaled and femur and hind legs are pale scaled for
about three-quarters, and dark scaled for about two-thirds (Russel 1996).
The first through the fourth segments of the hind tarsi are characterized by white rings
and the fifth segment is all white.
Adults .....
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Encephalitis -
Number of words: 699 - Number of pages: 3.... brain damage. This can cause neurologic deficits such as parplysis, speech changes, increased intracranial pressure, respiratory failure, seizure disorders, and shock can occur.
SIGNS AND SYMPTOMS
Mild cases absent superficial reflexes
Sudden fever *** exaggerated deep tendon reflexes
Poor appetite opisthotnos
Loss of energy nuchal rigidity
General sick feeling increases resp. tract problems
Severe Cases
High fever sore throat
Severe HA *** malaise
N/V *** muscle stiffness
Stiff neck *** photophobia
Pupils of different .....
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Chemistry-soaps And Detergents
Number of words: 655 - Number of pages: 3.... Caustic potash (potassium hydroxide) can be used instead of caustic soda (sodium hydroxide)but is more expensive. The base used to come from wood ash containing potassium carbonate which formed potash as this was not plentiful it made soap a luxury. The cheapest source of the ester is animal and vegetable fats and oils.
H-H-H-H-H-H-H-H-H-H-H-H-H-H-H O
H-C-C-C-C-C-C-C-C-C-C-C-C-C-C-C-C-C
H-H-H-H-H-H-H-H-H-H-H-H-H-H-H O-Na+
This is an example of a soap molecule. The hydrocarbon end is non polar and hydrophilic (water hating) and the carboxylate end is po .....
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Appalachian
Number of words: 1096 - Number of pages: 4.... super continent began to rift apart under the tensional 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 t .....
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Is Science Necessary For Our Future?
Number of words: 653 - Number of pages: 3.... immorality of his work and rejected
it and disassociated himself from it and science. The result of
Frankenstein's immorality was death for just about everyone he loved and
utter despair for himself. The monster was not necessary for our future
and neither were the methods of his creation. Because of the doctor's
irresponsibility, he lost everything including his life.
The monster, spawned by the immoral science of Frankenstein, was
witness to another way of life other than the one of Dr. Frankenstein. The
monster, over a period of several months, witnessed a family of cottagers. .....
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Nuclear / Particle Physics Effects Of The Atomic Bombs On Hiroshima And Nagasaki
Number of words: 2095 - Number of pages: 8.... is split, a large amount of energy is produced, and more free neutrons are also released. These neutrons then in turn strike other atoms, which causes more energy to be released. If this process is repeated, a self-sustaining chain reaction will occur, and it is this chain reaction that causes the atomic bomb to have its destructive power (World Book, 1990). This chain reaction can be attained in two different ways.
The first type of atomic bomb ever used was a gun-type. In this type two subcritical pieces of U-235 are placed in a device similar to the barrel of an artillery shell. One p .....
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Neptune
Number of words: 943 - Number of pages: 4.... is a mixture of heated gases comprised of
hydrogen, helium, water and methane. The atmospheric composition is 85%
Hydrogen, 13% Helium, and 2% methane. The planet's atmosphere, particularly
the outer layers, contains substantial amounts of methane gas. Absorption of
red light by the atmospheric methane is responsible for Neptune's deep blue
color. Neptune is a dynamic planet with several large, dark spots reminiscent of
Jupiter's hurricane-like storms. The largest spot, known as the Great Dark Spot,
is about the size of the earth and is similar to the Great Red Spot on Jupiter.
Neptune r .....
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