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» Science Essays and Papers
Bulemia
<view this essay>.... in childhood. Dissatisfied with the magazines explanation, I decided to
investigate the topic further. I went to Palmer College of Chiropractic's
library hoping to consume as much information as possible to prove
Parents' Magazine wrong. I found several medical journals, psychiatric
journals, and books on the topic of eating disorders that could affirm my
feelings.
As I tried to rationalize my friend's behavior, I decided that 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 .....
Number of words: 651 | Number of pages: 3 |
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Down Syndrome 3
<view this essay>.... years old. You would have numerous abnormalities; it wouldn’t go over well in school. People don’t accustom to that very well in public schools.
The genetic cause for Down syndrome is when a person inherits all or part of an extra copy of chromosome 21. Trisomy 21, the inheritance of an entire third copy of this chromosome, accounts for 95 percent of Down syndrome cases. Two other abnormalities each account for 2 to 3 percent of all cases. The first, translocation, takes place when a child inherits an extra piece of chromosome 21 attached to a different chromosome. The second, called mosaic Down syndrome, results when only some cells in the body have the extr .....
Number of words: 634 | Number of pages: 3 |
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Hemp
<view this essay>.... is a prime example of a country that is continually weighing its
power and influence on the natural and manmade worlds. We've found ourselves
sitting on the global fence between our magliomaniacal brother to the south and
our staunch traditionalist motherland to the east. From this division of powers
and alliances we find ourselves locked into a self-induced ignorance and
stifling conservatism. It's ironic that we have the opportunity to solve most
of Canada's critical environmental issues in one fell swoop . . . with one
simple plant. It is ignorance and the maintenance of the status quo that has
blinded and crippled our ability to realize this resource. .....
Number of words: 2153 | Number of pages: 8 |
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Bacteria And Their Effects
<view this essay>.... use in a process called nitrogen fixation.Bacteria are good
for recycling because they feed on dying material and convert it back into
basic substances.Without decomposition the food chain would cease.Bacteria
also helps in the breakdown on rocks which influences the movement of key
elements,such as,sulfur,iron,phosphorus,and carbon,around the
world.Bacteria are the main digesters of cellulose within cows and other
animals.Bacteria are used in the making of dairy products.Without bacteria
the dairy industry would not exist.Bacteria are also helpful in sewage
treatment.These certain bacterias convert the organic materials of sewage
into carbon dioxide,methane .....
Number of words: 291 | Number of pages: 2 |
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Diamonds
<view this essay>.... several different color shades such as, yellow, blue, green, or pink. One reason why a Diamond has different colors is through the processes involving heat and radiation. Another reason is that 99.5% of a Diamond is Carbon and the rest are different trace elements. These 0.5% of elements are the reason why a Diamond has different color shades. For example Nitrogen causes it to have a yellow tint , and Boron a blue shade. The pink color in some are thought to be caused by deformation of the atomic structure of the diamond crystal. A pure Diamond , which would be 100% carbon, is colorless
were created million years ago, when the earth was formed, the mater .....
Number of words: 477 | Number of pages: 2 |
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Digestive Systems Of Humans, Earthworms, And Grasshoppers
<view this essay>.... food, moved by peristalsis, then enters the esophagus. The bolus will then pass through the cardiac sphincter into the stomach.
In the stomach, the muscular lining churns the food causing mechanical breakdown to take place. In the stomach lining, the pyloric glands secrete mucus that forms a mucus lining. Also in the stomach lining, are epithelial cells and the gastric glands. The gastric glands secrete gastric juices. Hydrochloric acid is released which deactivates the salivary amylase, 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 hydroc .....
Number of words: 1293 | Number of pages: 5 |
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Stephen J. Hawking By Rachel Finck
<view this essay>.... disease, ALS, that now confines him to a wheelchair.
This affliction prevents Hawking from reading, writing, or calculating in a
direct and simple way. The bulk of his work, involving studying, publishing,
lecturing, and worldwide travel, is carried on with the help of colleagues,
friends, and his wife. Of his illness, Hawking has said that it has enhanced
his career by giving him the freedom to think about physics and the Universe.
Stephen Hawking has written many essays involving the unified theory,
which is a theory summarizing the entire of the physical world; a theory that
would stand as a complete, consistent theory of the physical interacti .....
Number of words: 1564 | Number of pages: 6 |
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Water Pollution
<view this essay>.... traced or identified. The obvious point source type is garbage. Humans dump tons of trash in the ocean on a daily basis. In 1993, the Center for Marine Conservation sponsored a nation-wide beach clean-up. Volunteers collected over 7 million pieces of trash.1 The worst offenders are commercial ships. The world fleet of commercial boats dump over 5,550,000 plastic, metal, and glass containers into the ocean in a single day.2
The most harmful of these is plastic. Sea mammals such as birds and dolphins often get tangled in the plastic six-pack rings, fishing lines, and net that humans discard into the ocean waters. Once entangled, they are unable to free them .....
Number of words: 1517 | Number of pages: 6 |
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