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» Browse Science and Environment Term Papers
Fire Ants
Number of Words: 2119 / Number of Pages: 8
... Lockley 33). These black ants would spread much further then the
second wave of imported ants recognized as Solenopsis Invicta Buren or red
fire ants(4. Lockley 33). This second wave of ants arrived in about 1945 and
spread much more rapidly and dominated the previous more passive black ant(5.
Lockley 34). Homer Collins, a fire ant expert, stated that "The new invader,
known as the red imported fire ant, proved more adaptive and rapidly displaced
the existing imported black ant. By 1949, Solenopsis Invicta Buren were the
dominant species of imported fire ant. Ants could be found in ...
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Alcohol
Number of Words: 708 / Number of Pages: 3
... of all major automobile accidents, and murders are associated with . On and on the statistics point to the enormous dangers of , yet it is a legalized drug.
As bleak as this problems seems to be on society as a whole, it is also rueful for the poor soul who is dependent. The life span of the ic is about ten years shorter than the non-drinker. The lifetime prevalence for ism in the United States is as high as fourteen percent. Taking these statements into consideration it is not difficult to believe that is ranked the third major cause of death in the United States. Not so suprising is the fact ...
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Phosphates In Water Pollution
Number of Words: 791 / Number of Pages: 3
... (pH 9.0 to 10.5) is necessary for effective cleansing and also to tie
up calcium and magnesium ions found in natural waters and prevent them from
interfering with the cleansing role of the detergent.
Eutrophication is the progressive over-fertilization of water, in which
festering masses of algae's blooms, choking rivers and lakes. Phosphorus
compounds act as a fertilizer for all plant life, whether free-floating algae
or more substantial rooted weeds, and are implicated in eutrophication. Many
countries control phosphate levels, whereas Switzerland has banned the use of
phosphates.
The marine envi ...
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Aurora Borealis
Number of Words: 304 / Number of Pages: 2
... the sun is generally continuos, although it occasionally bursts out of holes in the sun's outermost atmosphere. Massive ejections of plasma have also been shown to accompany solar flares, prominences, and sunspots. It is during these periods of highest solar activity that one is most likely to witness aurorae.
The aurora is an ideal subject for the amateur astronomer because no telescope or any other optical apparatus is needed for observing it. It also makes a good subject for anyone who can draw or paint. This beautiful display of lights is one of the most amazing things that the night sky has t ...
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Five Components Of My Humanness
Number of Words: 1533 / Number of Pages: 6
... the needs of all five selves, the result can be holistic wellness which is the ability to feel good about myself and others.
Physical fitness is having ample energy and the ability to perform daily activities without being exhausted. My energy usually depends on the amount of sleep and food I get. If I have too much or too little sleep, I don't look forward to the day and am not enthusiastic about doing things. If I do not have a complete breakfast, it affects my energy level. When I have a good breakfast, and enough sleep, I can go through a whole day with enough energy and alertness to do many things ...
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Endangered Species Of South Am
Number of Words: 1449 / Number of Pages: 6
... evolution, or natural selection. The current global extinction rate is estimated at about 20,000 species per year, exponentially greater than the background extinction rate (17). Many biologists believe that we are in the middle of the greatest mass extinction episode since the disappearance of the dinosaurs 65 million years ago (18).
The survival of ecosystems (plant and animal communities and their physical surroundings) such as forests, coral reefs, or wetlands depend on their biodiversity or variety of plants, animals, and habitats, as well as the many interactions among these species. The ...
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Epilepsy Decision
Number of Words: 1773 / Number of Pages: 7
... and passes them to others. All the functions of the brain depend on electrical signals that are send from one neuron to another. The normal brain generates an electrical rhythm in order way and this order in epilepsy is broken by some neurons discharging signals. Because of some genetic defect there will occur a short electrical storm that is caused by neurons and the subject will get a seizure. This condition is called epilepsy. When this happens, the muscles tighten and relax rapidly or stop moving completely. When the cells stop sending signals, the seizure stops as well. “Epilepsy is the ...
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Managing Information Systems
Number of Words: 1789 / Number of Pages: 7
... network that could be protected from nuclear attack and could guarantee that we could still fire our own nuclear missiles in our defense. Soon major schools and corporations threw their hats into the race for a network in which information could be sent electronically. Throughout the seventies a couple of schools developed their own network in which they could communicate with each other and devices were designed to make networks within offices possible using a technology called Ethernet. Throughout the eighties the newly designed internet was mainly used by science foundations, colleges, and the g ...
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Copper And Molybdenum Deposits In The United States
Number of Words: 2613 / Number of Pages: 10
... copper mining began in Simsbury,
Connecticut about 1709 and copper was actually exported to England after a
source was discovered in New Jersey around 1719. In later times domestic copper
resources did not satisfy national needs until the discovery of gold in
California shifted the focus of mineral exploration westward and strikes of rich
copper ores occurred in Tennessee and the Cordilleran base regions. The Civil
War caused copper demand to increase greatly in order to manufacture cartridges
and canned goods, this resulted in the openings of numerous copper mines of
which more than 90% were in t ...
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Extra Sensory Perception
Number of Words: 1744 / Number of Pages: 7
... accepted types of ESP, clairvoyance, precognition,and telepathy. Clairvoyance is the extra sensory perception of events that are taking place at the exact time of the perception, but the sensor cannot know of these events through any of the five senses. Precognition is the extra sensory perception of events in the future. And finally, telepathy is the extra sensory perception of someone elses mental state.
For centuries, stories about ESP sounded suspicious to those who had scientifically trained minds. After all, they were usually tales told after the fact. The event had already happened wh ...
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