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Nuclear Weapons
Number of words: 461 - Number of pages: 2.... of
heavy atomic nuclei. The first atomic bomb was tested by the United States
near Alamogordo, New Mexico. In the final stages of World War II, the U.S.
dropped atomic bombs on Hiroshima and on Nagasaki three days later to force
Japan to surrender. The explosion produces great amounts of heat, a shock
wave, and intense neutron and gamma radiation. The region of the explosion
becomes radioactively contaminated, and wind-borne radioactive products may
be deposited elsewhere.
The hydrogen bombs an explosive weapon of enormous destructive
powercaused by the fusion of the nuclei of v .....
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Adaptions In Ectothermic And Endothermic Animals To Extreme
Number of words: 1466 - Number of pages: 6.... However if body temperature rises above its optimum level (usually around 40„aC in mammals) then the enzyme rate inside the body will go into sharp decline. This is because enzymes are proteins, and become denatured. One of the first organs to be affected is the brain. Since the brain controls breathing and the circulation, the rise in body temperature disrupts the normal functioning of these important systems.
If the body temperature decreases dramatically (hypothermia) then this will slow metabolic activity and impairs brain function.
Here is a graph to show the relationship betwee .....
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Hypothermia
Number of words: 921 - Number of pages: 4.... There are even reported cases of elderly people dying of in their homes do to the non-efficient heating system. Over 50% of deaths in Manitoba, Alberta, and British Columbia are related to alcohol and drug intoxication.(Seluge,1) can also occur when a person has illnesses or health problems such as heart circulatory, or thyroid diseases; diabetes, arthritis, and other conditions that prohibit mobility. Having these conditions can interfere with the body's ability to fight the cold. When a person is fatigue or in poor physical condition, or drinking alcohol, wearing inadequate clothing .....
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Endangered Species Of South Am
Number of words: 1449 - Number of pages: 6.... than most species can adapt to such changes through evolution, or natural selection. The current global extinction rate is estimated at about 20,000 species per year, exponentially greater than the background extinction rate (17). Many biologists believe that we are in the middle of the greatest mass extinction episode since the disappearance of the dinosaurs 65 million years ago (18).
The survival of ecosystems (plant and animal communities and their physical surroundings) such as forests, coral reefs, or wetlands depend on their biodiversity or variety of plants, animals, and habitats, .....
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The Kondratieff Wave
Number of words: 2089 - Number of pages: 8.... to what the masses think”. In this stage of the K-wave going against mass thinking can result in a very wise choice. Most people can be extremely cautious and pessimistic during this period not knowing what to be cautious about. There is much speculation going on and being one of the first persons to act may give you and advantage.
In the second quadrant nominal rates expand, there’s speculation of hard assets, etc. Gradually paying off debt here is recommendable. It is a time where there is most likely a surplus of cash and a general view of this is too good to be true.
In the th .....
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The Creation Of The Universe
Number of words: 1817 - Number of pages: 7.... I cannot believe in a being which created a universe and a
multitude of worlds in a rather short period of time then deigns to lower
itself into becoming a puppet-master and "pulling the strings" of the Earth
and all of the people therein.
Since this paper touches upon many scientific terms, I feel that in
order for the reader to correctly grasp the content I must first define
three words: Theory, Law, and Hypothesis. The definitions will allow for a
greater understanding of this essay and give us an even ground upon which
to begin.
Theory; (thÿ1e-rÿ, thÿr1ÿ) noun
1. a. .....
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UFOs: We Are Not Alone
Number of words: 1554 - Number of pages: 6.... in
formation and according to his estimate the aircraft were approximately the size
of a dc-4 airliner ( jackson 4).
This account was the first sighting to ever receive a great deal of
media attention. This sighting gave birth to the phrase "flying saucer" coined
by a reporter named bill begrette. Although not the first ufo sighting in
history, kenneth arnolds account is considered to be the first documented ufo
sighting. The following day mr. Arnold discovered that in addition to his
sighting there were several others in the mount ranier area that same day
(Jackson 6).
When most of u .....
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Birds
Number of words: 751 - Number of pages: 3.... Other extinct birds have been measured to stand over ten feet high.
The evolution of birds is still being argued. Most people believe that
birds evolved from reptiles. Because of birds mainly delicate bones, few fossils
have been left behind for scientists to study. The earliest bird fossils come
from archaeopteryx. The fossils that have been discovered from archaeopteryx
include six partial skeletons and one single feather. Archaeopteryx , unlike
modern birds, had teeth, a reptile like tail, and three claws on each wings.
Scientists think it could fly, but only weakly.
Approximately 85 .....
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Project Mercury
Number of words: 559 - Number of pages: 3.... Grissom, and Donald K. “Deke” Slayton; Marine Lieutenant Colonel John H.
Glenn, Jr.; and Navy Lieutenant commanders Walter M. Schirra, Jr., and Alan B.
Shepard, Jr. Of these, all flew in Project Mercury except Deke Slayton who was
grounded for medical reasons. He later became an American crewmember of the
Apollo-Soyuz Test Project.
The Mercury module was a bell shaped craft. Its base measured exactly
74.5 inches wide and it was nine feet tall. For its boosters NASA chose two U.S.
military rockets: the Army’s Redstone, which provided 78,000 pounds of thrust,
was used for s .....
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The Study Of Akali Metal Contamination In Road Side Soil
Number of words: 1187 - Number of pages: 5.... between distance from the point of road salt application and akali
metal concentrations.
Experimental
Soil preparation: Six surface soil samples were collected at the intersection of
Cold Spring Lane and the exit ramp of Interstate 83, in northwest Baltimore city.
These samples were collected at distances from the roadway of 0m, 2m, 4m, 6m,
10m, and 20m. These samples were dried in a convection oven at 110°C for over 24
hours then crushed. Aliquots of approximately one gram were weighed and then
extracted with 10.0 mL of 1M ammonium acetate. The extract was filtered with an
inl .....
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