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Science & Nature Essays and Term Papers
Rutherford's Gold Foil ExperimentRutherford started his scientific career with much success in local schools
leading to a scholarship to Nelson College. After achieving more academic
honors at Nelson College, Rutherford moved on to Cambridge University's
Cavendish laboratory. There he was lead by his mentor J.J. Thomson ...
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Chlorofluorocarbons (CFCs)CFCs are a family of man-made gases used for various industrial
purposes. First developed in the 1920's in the United States, CFCs have
been used in large quantaties since 1950. The industrialized countries can
account for over 80% of CFCs use. CFC-11 is used primarily as a propellant
in ...
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Acid RainINTRODUCTION
is a great problem in our world. It causes fish and plants
to die in our waters. As well it causes harm to our own race as well,
because we eat these fish, drink this water and eat these plants. It is a
problem that we must all face together and try to get rid of. However acid
rain ...
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The KoalaInroduction
is the Australian jewel. It has very furry, ash colored hair,
a rubbery black nose, sharp claws, fuzzy ears, and a grizzly personality, or
should I say, koalality. If you kill a koala, you'll make a million off their
fur! They would sell the fur to coat companies and make coats out ...
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VolcanosThis paper will define and discuss the volcano to include: types of
volcanoes, formation of a volcano, and elements of a volcano; such as, lava,
rock fragments, and gas. This paper also tells a little bit about volcanic
activity in different parts of the world.
What is a volcano?
A volcano is a ...
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The Metric Systemis being used in many ways, in the United States of America. Many American cars are made using metric bolts, nuts, and measurements, Therefore many large companies like Snap-on, Craftsman, and Goodwrench are making their tools in metric units.
These companies use because it is important that ...
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Eagles 2The bald eagle is truly an all-American bird -- it is the only eagle unique to North America. It ranges over most of the continent, from the northern reaches of Alaska and Canada down to northern Mexico. The bald eagle, our national symbol, is listed as endangered under the Endangered Species Act ...
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Deciduous ForestsINTRODUCTION A deciduous forest, simply described is a forest that is leafless
during the winter. Eury species make up this type of forest, meaning that the
species can tolerate a wide range of conditions. In the extreme northern
latitudes, the growing season is short causing the trees to be ...
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Kawasaki DiseaseDuring the late twentieth century many new diseases have been discovered. Tomisaku Kawasaki discovered one of these diseases, , or technically mucocutaneous lymph node disease, in 1961. This particular disease remained undetected for so long because its cause is still unknown. Dr. Kawasaki, a ...
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Biological Effects Of RadiationThe
Whether the source of radiation is natural or man made, whether it is a small dose of radiation or a large dose, there will be some biological effects. Radiation causes ionizations of atoms, which will affect molecules, which may affect cells, which may affect tissues, and so on. Although ...
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Manic Depressionis an illness that affects how people think, feel, and act. These people have really extreme episodes of mania (highs) and depression (lows.) It happens to about 1% of the population, both equally in men and women. When the person is going through a manic episode they have lots of energy, talk ...
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CannabisThe effect of drugs can be harmful to the body. They can damage nerves at are use for thinking. According to the "Nation Institutes of Health"(NIH), is one of the most popular used drugs in America ranking third after tobacco and alcohol. Marijuana (the most common form used in America), is made ...
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International Space StationThe , a worldwide project, is the next goal in a quickly growing space frontier. The station will be the first and next step towards researching the vast unknown world of outer space. What will be learned by this station? NASA has only the highest hopes that with the newest advancements in ...
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Marijuana (simple Essay Without Concution)Marijuana also called cannabis is a leafy plant, which grows wild in many of the tropic areas of the world. The most commonly used form of cannabis are the leaves and flowering tops called buds which may be either smoked or eaten. It can be also concentrated to form called hashish, and as a ...
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Changes In The Atmosphere Causing MulticellularityAbout 2.5 billion years ago, oxygen began slowly to accumulate in the
atmosphere, as a result of the photosynthetic activity of the cyanobacteria.
Those prokaryotes that were able to use oxygen in ATP production gained a strong
advantage, and so they began to prosper and increase. Some of these ...
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The SunOf all the stars in our galaxy we find our Sun the most important.
For supports life on earth and keeps the planets in a certain
"line".Without the sun we could not survive.
History of the Sun
People have studied the stars since day one. Many cultures have
studied and worshiped the sun. This ...
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The Praying Mantis(Mantis Religiosa)
Contents
Introduction Classes First Things First Key Features Basic Features Diet &
Combat Style Reproduction Growth & Development Self-Defense Cultural
Significance Praying Mantis Kung-Fu
INTRODUCTION
"Praying Mantis" is the name commonly used in English speaking countries ...
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Toxic WasteDuring the Industrial Revolution coal and other fossil fuels were used as a source of energy. They were burned and the gas given off was harmful to the atmosphere. Unknowingly factories burned fossil fuel causing what we call the greenhouse effect. Unfortunately, factories continue to burn ...
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Gene Therapy 2In research facilities all around the world scientist are attempting to stop diseases at their very roots. Instead of trying to find drugs to cure illnesses they are trying to change the genes that cause the diseases. The process by which this is done is called gene therapy. Gene therapy is the ...
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Freezing Point Of NaphthaleneI. Purpose
To determine the freezing point of a known substance, naphthalene
II. Materials
ringstand gas source
test tube test tube clamps
thermometer naphthalene
Bunsen burner goggles
hose stopwatch
III. Procedure
1. Assemble the Bunsen burner, attaching one end of the ...
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The Future Of NASAOne hundred years from now, NASA's space program will not be so far
advanced that people will be able to beam around the Universe or travel through
time. However, unless something goes terribly wrong with the world, it is
expected to advance tremendously. New, high-tech designs for rockets will ...
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EvolutionismWhat is Evolution? Evolution is the theory that all living things in the world have come
into being through a non-guided, natural process starting from a primeval mass of subatomic
particles and radiation, over 20 billion years ago (History). This theory says that all living things
have ...
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Biology Work Requirement 3 Biology Work Requirement 3Ecological issue: Deforestation, logging
� Effects wildlife habitats \ biodiversity
� Increases soil degradation erosion.
� Carbon storage - leads to more Carbon dioxide in atmosphere - leads to global warming
Social- technological:
� Can lead to global warming
� Less use of timber to stop ...
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Chlorineis (at room temperature) a greenish-yellow gas that can be
readily liquefied at 5170 Tarr or 6.8 atmospheres, at 20 C (68 F), and has a
very disagreeable odor. It�s Element Symbol is Cl, atomic number is 17, and
atomic mass is 35.453. �s melting point is -101 C or 149.8 F. The
boiling point is ...
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Dna And ForensicsIn my essay I will discuss the topic . This is an interesting topic because there have been great advances in the field of forensic science that have affected it's credibility and usage in solving crimes that would otherwise go unsolved. DNA can be found in almost any bodily fluid (semen, ...
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