Science & Nature Essays and Term Papers

Environmental Isuues

Did you ever think that something meant to aid in the advance of humans could be potentially fatal at the same time? What about a disease that was considered “dead”, resurfacing and killing unsuspecting people? What about the fact that we as human beings are ruining the only place ...

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Effects Of Marijuana

Marijuana is a mood altering or psychoactive drug that has many nicknames, such as pot, weed, ganja, sensi, herb, and others. It is an ancient drug that dates back to hundreds of years to Asia. Many cultures have used it during meditation, religious worship, and for intoxication. Marijuana ...

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Acid Rain

Within this past century, acidity of the air and have become recognized as one of the leading threats to our planet’s environment. No longer limited by geographic boundaries, acid causing emissions are causing problems all over the world. Some laws have been passed which limit the amount ...

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The is the organ of that you gives your sight. s enable people to perform tasks and to learn about the world that around them. Sight, or vision, is a rapidly occurring process that involves interaction between the the nervous system and the brain. When someone looks at an object, what he/she is ...

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The Tiger

is often described as a particularly dangerous, sly, and invincible predator. is the largest of the cat family. They have powerful bodies, large paws, and very sharp claws. The head of is rounded and has a convex profile. The ears are black with white in the middle. The Tiger's eyes are a ...

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Handling Stress

This essay is about handling the stress of University studies. We will be looking into many ideas and different people¹s views on how to handle stress. I will also be giving my own opinions on how I think stress can be controlled or relieved. The first thing we must do is ask ourselves one very ...

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Charles Darwin And Richard Owen

Wars occur everyday, whether it be pushing and shoving or shooting and bombing. During the 1800's, a different war of conflict took place. This so-called war between circled on the topic of evolution. As much as it would liked to have this essay based upon a physical war between these two ...

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Internet History Report

The Internet was created in 1969 by scientists working for ARPA. ARPA stands for advanced research projects agency, and was formed to create a network of computers that could save information in the event of a nuclear attack. UCLA, Stanford Research Institute (SRI), UC Santa Barbara (UCSB), and ...

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is somewhat of an umbrella topic. A pesticide is classified according to what its job is to control. There are four main types, or classes, of . They are herbicides, fungicides, rodenticides, and insecticides. Herbicides are used to prevent the growth of, or to kill existing, unwanted plants. ...

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Current Status Of Malaria Vaccinology

In order to assess the one must first take an overview of the whole of the whole disease. One must understand the disease and its enormity on a global basis. Malaria is a protozoan disease of which over 150 million cases are reported per annum. In tropical Africa alone more than 1 million ...

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Rates Of Reaction

BACKGROUND INFORMATION What affects the rate of reaction? 1) The surface area of the magnesium. 2) The temperature of the reaction. 3) Concentration of the hydrochloric acid. 4) Presence of a catalyst. In the experiment we use hydrochloric acid which reacts with the magnesium to form magnesium ...

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is a viral disease that affects those usually between the age of ten and thirty-five, although a person at any age can get the disease. This disease found in mainly adolescents and adults seems to only occur in those who escaped the Epstein-Barr virus infection in childhood. It is also known as ...

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Digestive Systems Of Humans, Earthworms, And Grasshoppers

The human, earthworm, and grasshopper digestive systems all have some similarities, as well as some differences. In the human digestive system, the process begins at the oral cavity (mouth). The mouth contains the teeth, tongue, and the salivary glands. The salivary glands contain saliva, ...

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Mistakes People Make With Ster

oids Most people have the goal and dream to have the perfect body. They believe they will be more popular, or attractive if they achieve the body that they desire. But what lengths will people go to, to get the perfect body? One of the biggest problems in sports today, as many people know, is ...

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Determination Of An Unknown Amino Acid From Titration

Abstract Experiment 11 used a titration curve to determine the identity of an unknown amino acid. The initial pH of the solution was 1.96, and the pKa’s found experimentally were 2.0, 4.0, and 9.85. The accepted pKa values were found to be 2.10, 4.07, and 9.47. The molecular weight was ...

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An End To Genetic Diseases

The United States has a very diverse heritage. There is no "American" race. Americans are the blending of many cultures throughout many generations. With this blending of cultures comes a blending of genes. In the past, genes have not been well understood. They were not understood until ...

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Acid Rain 8

Acid Rain is a type of air pollution, which is formed when oxides of sulfur and nitrogen combine with atmospheric moisture to yield sulfuric and nitric acids, which may then be carried long distances from a source before they are deposited by rain. This pollution may also take the form of snow, ...

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How Various Mechanisms By Which Substances Cross The Cell Me

Homeostasis is essential to the cell’s survival. The cell membrane is responsible for homeostasis. The membrane has a selective permeability which means what moves in and out of the cell is regulated. Amino acids, sugars, oxygen, sodium, and potassium are examples of substances that enter ...

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Newton's Law Of Universal Gravitation

Gravity if one of the four fundamental forces in the universe. Though the fundamental principles of it eluded scientists until Sir Isaac Newton was able to mathematically describe it in 1687 (Eddington 93). Gravity plays a serious part in everyday actions as it keeps everything on the ground; ...

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is the vital tool in learning and thinking . We all use in our everyday lives. Think about the first time you ever tied your shoe laces or rode a bike; those are all forms of , long term or short. If you do not remember anything from the past , you would never learn; thus unable to ...

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The Planet Venus

My report is on . Venus is the hottest planet and is the second closest to the sun. Venus has the nickname as a jewel of the sky. It is also called the morning star and evening star. The people that study planets in the solar system think that Venus is a lot like Earth. It is hotter than Mercury ...

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Purple Loosestrife

The scene is breathtakingly beautiful, a thick brush of purple flowers blankets Canada's wetlands. This blanket silences the expected sounds of the wetland environment, birds chirping, ducks splashing, insects buzzing and animals thriving. This unnatural silence is disturbing, the favourite ...

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Effects Of Excessive Pesticide

What is the goal of agriculture? Mainly, it is to produce healthy food, affordable for consumers to purchase, while ensuring that farmers are able to earn a decent income. Recently, with greater environmental awareness in society in general, it is also now very important to protect the ...

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Computer History

Computers affect the lives of nearly everyone living today. No matter where it is that someone calls their home; there is almost a certainty that they have some sort of daily interaction with computers or some kind of computer driven device. Every morning, millions of people of every field ...

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Seeing The Vessels Of The Retina

Have you ever seen a doctor look into a patient's eye with an instrument called an "ophthalmoscope"? The instrument lights up the inside of the eye and magnifies the vessels of the retina in the rear of the eye. This gives the doctor an idea about how healthy you are as he looks at all the ...

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