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Science & Nature Essays and Term Papers
Lionshave relatively short-legged, long, muscular bodies and large heads. The male grows on average to 1.7 to 2.5 m (5.6 to 8.2 ft) long, not including the tail, which is 90 to 105 cm (36 to 41 in) in length. It stands 1.23 m (4 ft) high at the shoulder, and it weighs 150 to 250 kg (330 to 550 lb). ...
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Hammerhead SharksMarine Science/ Per. 1
Sharks are one of the most feared sea animals. They live in oceans
across the world but are most common in tropical waters. There are over three
hundred fifty species of sharks. They can be broadly categorized into the
following four groups: Squalomorphii, ...
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Depression 3Clinical depression is one of many mental disorders affecting 1 in 10 Americans today. This disorder is characterized by ongoing feelings of sadness and despair which leads to anxiety, agitation, feelings of emptiness, and loss of self-worth. Following these initial symptoms are possible weight ...
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The Effects Of Over-Population On The Earth's Water SupplyWhat would you do if your water bill and your food bill started to increase exponentially? It is scary for most Americans to imagine the price of food doubling every month. What if you could not get fresh water? In the coming years this scenario will become more and more likely. The population of ...
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The BeaverBeaver, semiaquatic mammal noted for the building of dams. One species of beaver occurs in North America, the other in Eurasia. The two species differ chiefly in the shape of the nasal bones and are so much alike that some authorities consider them to be varieties of the same species. They are ...
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Oil Spills: It will happen again
Imagine that you are a just a small, ordinary seabird. It is March 24, 1987 and far away from you is an enormous tanker called the Exxon Valdez, coming at an astonishing speed. You do not worry, for these huge ships come along very occasionally in the Alaskan waters. The ...
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What Is A Plant?First of all, ? A plant cannot be defined in a
statement without excluding some plants, or including some animals. A
plant is characterized by being able to produce its own food from water,
minerals, and carbon dioxide from a process known as photosynthesis.
Photosynthesis uses the energy from ...
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The WolfAll living wolves belong to a single species called Canis Lupus.
There are approximately 41 different wild species in the dog family. The
largest of which is the gray wolf, also known as the timber wolf. Of all
animals, is the most misunderstood, feared and hunted by humans.
The size of can vary ...
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The Discovery Of The ElectronThe electron was discovered in 1895 by J.J. Thomson in the form of
cathode rays, and was the first elementary particle to be identified. The
electron is the lightest known particle which possesses an electric charge. Its
rest mass is Me 9.1 x 10 -28 g, about 1/1836 of the mass
of the proton or ...
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PlantsPlant, any member of the plant kingdom, comprising about 260,000
known species of mosses, liverworts, ferns, herbaceous and woody ,
bushes, vines, trees, and various other forms that mantle the earth and are
also found in its waters. range in size and complexity from small,
nonvascular mosses, ...
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Hemophilia 3The genetic disorder which I have chosen as the subject of my report is hemophilia. There are two types of hemophilia, hemophilia-A and hemophilia-B. The clinical symptoms of both are very similar so for the purposes of this paper I have chosen to concentrate on hemophilia-A.
Hemophilia-A is an X ...
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The Water And The WavesImagine that we stand on any ordinary seaside pier, and watch the waves
rolling in and striking against the colums of the pier. Large blue waves
pay little attension to those columns - they divide right and left and
unite after passing each column, much as a army of soldiers would if a tree
stood ...
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Weather ForecastingIn researching this project I was amazed to find the many books on this
topic. After going through much information and reading an enormous amount of
writing on I can only come to one conclusion that when all
is considered the best forecasters can only give an educated guess of what is in
store ...
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Solar Cellstoday are mostly made of silicon, one of the most common elements on Earth. The crystalline silicon solar cell was one of the first types to be developed and it is still the most common type in use today. They do not pollute the atmosphere and they leave behind no harmful waste products. ...
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Mononucleosis 2Mononucleosis is a disease caused by the Epstein-Barr virus (EBV), which is a member of the herpes family. The herpes family also includes viruses that cause cold sores, chicken pox, genital herpes, and birth defects (7). Mono, short for mononucleosis (3) “gets its name from the fact that ...
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The Big Bang And The Steady State ModelIt is always a mystery about how the universe began, whether if and when it
will end. Astronomers construct hypotheses called cosmological models that try
to find the answer. There are two types of models: Big Bang and Steady State.
However, through many observational evidences, the Big Bang ...
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The Problem With DesertificationAs we approach the 21st century, the environmental problems that impact our very survival require urgent attention. Responsible governments and citizens can no longer doubt the seriousness of these issues. One issue that should be of great global concern is desertification.
Desertification ...
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Acid Rainis rain that is more acidic than normal. is a complicated problem. Primarily caused by air pollution, 's spread and damage involves weather, chemistry, soil, and the life cycles of plants and animals on the land and in lakes and streams. This form of air pollution is currently a subject of ...
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The Beauty Of RainbowsHave you ever wondered if there is a pot of gold at the end of a
rainbow? Maybe you have or maybe you've even tried to find it. In this article
you will find out how rainbows are formed, the colors in a rainbow, and other
interesting facts about rainbows.
First of all a rainbow is a curve of ...
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Gonorrheais a sexually transmitted disease. The disease is caused by the bacterium Neisseria that is a member of the family Neisseriaceae. The majority of the organisms belonging to this family are non-pathogenic or commensals, however, is always pathogenic. Bacteria are introduced during sexual ...
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Ebola 2In 1976, Ebola virus made it’s first appearance in Zaire, Africa, causing the death of hundreds of people. The second outbreak occurred western Sudan, also in 1976. These were large outbreaks, resulting in more than 550 cases and 340 deaths. In 1979, Ebola mysteriously re-appeared in Sudan ...
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Atom BookHey kids! Today I'm going to introduce you to the world of atoms. Atoms are
little things that you or anybody else have ever seen. Make up things like trees,
cars, paper, even you. So let's shrink down to size and see what it's like.
We're going to into the Helium atom today. An atom is made of ...
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The Application Of Science To EngineeringImprovements in engineering are very important to the industrialization
and prosperity of a country. Although engineering improvements sometimes come
through trial and error they are most often achieved by applying pure science
and mathematics to engineering. Canadian engineering was improved a ...
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Turner SyndromeThere are many possible reasons why a child may grow slowly, including:
hereditary factors (short parents), diseases affecting the kidneys; heart,
lungs or intestines; hormone imbalances; severe stress or emotional
deprivation; infections in the womb before birth; bone diseases; and
genetic or ...
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The Beginning Of The UniverseIt is always a mystery about how the universe began, whether if and
when it will end. Astronomers construct hypotheses called cosmological
models that try to find the answer. There are two types of models: Big
Bang and Steady State. However, through many observational evidences, the
Big Bang ...
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