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Science and Nature Term Papers and Reports |
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Headaches Their Causes And Effects
633 Words - 3 Pages.... severe headache, this is not correct. Migraines are a specific headache caused by changes in the blood vessels that supply the brain.
Usually, Migraines become less frequent with increasing age and are relatively uncommon after the age of 50. After interviewing my grandmother, who is a special case Migraine sufferer, she told me that her Migraines began when she was seven. Often in school she would have the classic migraine symptoms- she would see only half of her teacher and bright lights and flashes up to 20 minutes before her Migraine began. These symptoms are called auras and once they are gone the Migraine begins. The Migraine itself can lead to vomiting, slurred sp ....
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What Is Astrology
418 Words - 2 Pages.... in the horoscope, is
the means the soul comes to know itself and its destiny.
Astrology points the way to soul development and growth. The soul's strengths
and weaknesses are noted in the horoscope. Life is an opportunity given to soul
for further enhancement.
Because the heavens are in constant motion, and because this motion is quite
ordered and exact, it is possible to project the positions of the sun, moon, and
planets for any given time. Astrologers use this information to draw-up a
horoscope and forecast the "influences" that will affect the soul at that time.
Astrologers usually do not predict actual events in the future. They can only
say what might happen, or could ....
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Detection Of Biological Molecules
1477 Words - 6 Pages.... A fatty acid is nonpolar, hence it doesn't mix
with water. Molecules of a certain class have similar chemical properties
because they have the same functional groups. A chemical test that is sensitive
to these groups can be used to identify molecules that are in that class. This
lab is broken down into four different sections, the Benedict's test for
reducing sugars, the iodine test for the presence of starch, the Sudan III test
for fatty acids, and the Biuret test for amino groups present in proteins. The
last part of this lab takes an unknown substance and by the four tests,
determine what the substance is.
BENEDICT'S TEST
Introduction: Monosaccharides and disacchari ....
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Marijuana 2
863 Words - 4 Pages.... there is some argument as to whether these should be considered varieties rather than species. Most recreationally used cannabis is the result of interbreeding between these three types. The term 'hemp' is generally used to describe low-thc varieties of cannabis, which are grown for industrial uses.
The strength of cannabis varies greatly from one variety to another. Some, known as 'one-hit-shit', requires only a single lung-full to reach full effects while other varieties require many hits to achieve the same effects. Additionally, the amount that one individual likes to smoke can be many times what another prefers. Generally, 1/8 ounce (3.5 g) of mid-quality bud could g ....
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A Look At Anemia Related To Nutritional Issues
4320 Words - 16 Pages.... INTRODUCTION
"Anemia can be defined as a decrease in the oxygen-carrying capacity of the blood caused by low hemoglobin concentration" ("A Practical Guide", 1). "Cells in the body require oxygen to fully utilize fuels. The oxygen is transported from the lungs to tissues throughout the body via red blood cells. Oxygen binds to hemoglobin, a specific molecule within each red blood cell. This molecule consists of heme, which is a red pigment, and globin, which is a protein. If the amount of functioning hemoglobin is reduced, a condition known as anemia arises" ("Anemia", 1). "The anemia that may result can take many forms, ....
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Lung Cancer 3
1428 Words - 6 Pages.... increasing in an uncontrolled manner. Because the cells are dividing at a rate excess of normal division the cells form a tumour. The crowded cells fail to stop dividing until they push everything out of place. If the tumour is benign it will enlarge only at the site where it began. However cancerous tumours can invade and destroy. One of the reasons that cancer needs to be caught early is because it will spread. Cancerous cells lack the sticky coating that causes normal healthy cells to stay together because cancerous cells lack it they can break off and implant somewhere else in the body. The cancerous cells that break off from the primary tumour are usually carried thro ....
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Creation, Evolution And Intervention: Which Theory Is Correct?
1632 Words - 6 Pages.... humans. This
theory also states that humans and other species continue to evolve today and
as a result of all these changes they will eventually become a totally different
species then what they are now. Evolutionists believe that evolution has created
many organisms spread across the globe, some of which have become extinct and
some of which are the plants and animals which live today.
The theory that groups of organisms can be transformed into different organisms
has been suggested many times since the early 1800s, when scientists began
looking for evidence that the evolution process took place. "The most
outstanding evolutionists in the nineteenth century was Jean B ....
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Wind Tunnels
1387 Words - 6 Pages.... conditions. With a wind tunnel you can chose
the air speed, pressure, altitude and temperature to name a few things. A wind
tunnel is usually has a tube like appearance with which wind is produced by a
large fan to flow over what they are testing (plane, missiles, rockets, etc.)or
a model of it. The object in the wind tunnel is fixed and placed in the test
section of the tunnel and instruments are placed on the model to record the
aerodynamic forces acting on the model.
Types of Wind Tunnels
There are four basic types of wind tunnels. Which are low subsonic,
transonic, supersonic, and hypersonic. The wind tunnels are classified by the
amount of speed they can produc ....
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