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» Science Essays and Papers
Limonene And Its Uses
<view this essay>.... a complete set of studies from pesticide producers, describing the
human health and environmental effects of each pesticide. The Agency
imposes any regulatory controls that are needed to effectively manage each
pesticide's risks. EPA then reregisters pesticides that can be used without
posing unreasonable risks to human health or the environment.
When a pesticide is eligible for reregistration, EPA announces this
and explains why in a Reregistration Eligibility Decision (RED) document.
This fact sheet summarizes the information in the RED document for
reregistration case 3083, limonene.
Use Profile
Limonene is a naturally occurring .....
Number of words: 1780 | Number of pages: 7 |
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How Toxic Waste Affects Canada’s Natural Environment
<view this essay>.... That 15% may not seem like very much, but when you consider the millions of tons of toxic waste that we produce every year, that 15% is enormous. The Environmental Protection Agency (EPA) estimates that we produce one ton of toxic wastes for every single person living in Canada every year. That means that the 15% represents about 4.2 million tons of toxic waste.
Toxic wastes, which are dumped in improper sites, can seep into underground water supplies and contaminate huge areas. If the land that is intoxicated supports plant life, most of the plants and trees will die off. If humans occupy the area, it could cause serious illness or death. For example, .....
Number of words: 732 | Number of pages: 3 |
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Could The Greenhouse Effect Cause More Damage?
<view this essay>.... down from the cables are ten infrared heat lamps which are about three
feet long each. This is supposed to simulate what many see as the coming
apocalypse. (global warming) "By 2050, if we decide to load trace gasses -
mainly carbon dioxide - into the atmosphere at our current rate, we can expect
Earth's temperature to increase by any-where from three to nine degrees. The
Vostok record confirms that," says Harte.
The grid is divided into ten sections. Each of the ten sections covers
thirty square yards of the meadow. The infarared lamps will heat every other
section by 2.5 degrees. The unheated sections in between allow researchers to
compare .....
Number of words: 504 | Number of pages: 2 |
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Aromatherapy
<view this essay>.... restoring balance to mind and body as well as its specific use in treating a wide range of symptoms. can help ease a wide assortment of ailments; easing aches, pains, and injuries, while relieving the discomforts of many health problems. also acts on the central nervous system, relieving depression and anxiety, reducing stress, relaxing, uplifting, sedating or stimulating, restoring both physical and emotional well-being. Although is consider to be a new and alternative foram of medicine in the western world, however it has been practiced for thousands of years in the eastern world.
A lot of interest in stems from its use as an 'alternative medicine' or .....
Number of words: 884 | Number of pages: 4 |
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Modernization Of Computers
<view this essay>.... will be taken over by computers, namely maps.Different routes are stored on one single compact-disk. Imagine, simply insert the CD into the CD-driver in your car, and tell the computer where to go. Therest will be done automatically. This will be a safer, faster, and morecomfortable way to travel. Another new area, called "virtual reality" is currently being tested. This is away to simulate reality on a monitor. In order to feel this so-called realityyou have to wear special electronic glasses and an electronic suit. Fastened tothe suit are sensors, which send information to the main computer. Thiscomputer works with the data and displays them on the electron .....
Number of words: 544 | Number of pages: 2 |
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Dinosaur History
<view this essay>.... Elephants. We first discovered the fossils and bones shortly under the surface of the Earth. After scientists got more into the study they started to dig deeper down. The fossils get so deep because of the years of
rocks and dirt that were piled up on it. Some also get buried if a dinosaur were to die next to a river, and over the years the river probably changed courses a little, so therefore the bones would
be covered up. They would actually be in the bank of the river.
The Evolutionary theory states that everything evolved over millions of years. Evolutionists say that dinosaurs came from six million years back. They also say that the Earth is four to si .....
Number of words: 995 | Number of pages: 4 |
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Ethical Procedures And Guidelines Defining Psychological Research
<view this essay>.... a need for more rules and
regulations for the ensurement of subject comfort. Hence, there are many more
rules now than even twenty years ago. These rules really encompass a few broad
but very important ideas. One of these ideas is protecting the dignity of the
subjects. Another important component of this code refers to consent. All of
these will be explained in greater detail below. Another gray area in
psychology lies in the deception of subjects. There are some basic rules
guiding how deceptions can be carried out. There is a large section of the code
that was made with regards to animal research. The last major section of the
ASA ethical guideli .....
Number of words: 971 | Number of pages: 4 |
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Encephalitis -
<view this essay>.... may vary. Exposure can also occur through insect bites, food or drink, or skin contact.
Once the virus has entered the blood stream, it can localize the brain causing inflammation of brain cells and surrounding measures. White blood cells invade the brain tissue as they try to fight off the infection. The brain tissue swells (cerebral edema) and can cause destruction of nerve cells, bleeding with in the brain (intracerebral hemorrhage), and brain damage. This can cause neurologic deficits such as parplysis, speech changes, increased intracranial pressure, respiratory failure, seizure disorders, and shock can occur.
SIGNS AND SYMPTOMS
Mild cases .....
Number of words: 699 | Number of pages: 3 |
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