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» Browse Science and Environment Term Papers
Study Of Environmental Issues Associated With Industrialization
Number of Words: 1421 / Number of Pages: 6
... few things. Deforestation, fertilizer use and fuel combustion are minor
contributors to this problem while chemicals such as chloroflourocarbons (CFCs),
halons, carbon tetrachloride, methyl chloroform, methyl bromide and
hydrochloroflourocarbons (HCFCs) are the major contributors to the deterioration
of the ozone layer. These chemicals have industrial halocarbons that break up
into chlorine and bromine in the upper stratosphere when they react with the
sun's rays. Chlorine eats up the ozone layer while bromine acts as a catalyst
and speeds up the process. Often found in Antarctica, there are froz ...
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Environmental Studies
Number of Words: 1092 / Number of Pages: 4
... a basic chemical property of MTBE and its long-term effects upon the environment. Because MTBE is highly water-soluble, it dissolves in water, leading to higher concentrations of MTBE in many lakes in the California Sierra Nevada mountains and in many groundwater supplies. Hence, by addressing only one component of a system separately, the EPA failed to see the ramifications of our apparent solution. This myopic approach to environmental remediation commonly subverts our good intentions to solve environmental problems and demonstrates a lack of understanding of how inter-related systems work. I ...
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The Shrew
Number of Words: 531 / Number of Pages: 2
... end for the nest which was composed of shredded
grass. These nests were used for young or as a resting place for groups of
adult shrews.
Compared to most types of shrews, the least shrew is sociable, and
several may be kept together in captivity without conflict. They sleep
together and help eachother to some degree in digging tunnels and finding
food. One nest found in December in Texas contained a dozen shrews that
seemed to be staying there for the winter; another examined near
Nacogdoches was occupied by at over 31 shrews.
These small shrews are active all hours of the day, but the most
activity ...
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Addition Of Vectors
Number of Words: 565 / Number of Pages: 3
... The center ring was anchored to the nail positioned at the platform’s center while the upper ring of the spring scale was attached to the free end of the third ring. After attaching the spring balance, its hook was pulled and the reading on the scale and the direction of the pull at which the two forces (hanging mass) are “balanced.” “Balance” was determined.
II. Results and Discussion
Table 1. Time, distance, velocity and acceleration measurements for a marble.
Distance (cm) Time
(s) Mean
Time (s) Average
Velocity
(cm/s)
1 2 3
10 0.90 0.67 0.71 0.76 13.16
30 1.52 1.37 1.37 1.4 ...
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American Crocodile
Number of Words: 2518 / Number of Pages: 10
... population of American alligators, which are often confused for the rare American crocodile. However, there are vast differences between the two species. Hunted for their hides and the changing of their habitat to beach front property is slowly pushing the American crocodile out of Florida, the only place it is found in the United States.
¡§For 190 million years before the first humans evolved, huge populations of crocodilians, in more or less their present form, inhabited the waters and shorelines of rivers, lakes, swamps, and estuaries of tropical and subtropical lands. Today they represent th ...
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Breast Cancer In Women
Number of Words: 700 / Number of Pages: 3
... that women can perform on their own with a few simple steps.
Another way of detecting breast cancer is with a mammography. This is an X-ray that scans in make up of the breast to show whether there are and tumors. This is the most effective type of detection to date. (Cancer Facts, Detection. National Cancer Institute) One disadvantage to using mammography is that with mammography, the x-ray picture sometimes detects substances in the breast that are not recognizable. (NCI ) This can cause unnecessary worrying if the substances are not recognizable. NCI is now working on improving the equipment ...
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Frogs
Number of Words: 1004 / Number of Pages: 4
... of the world, you would find frogs on every continent except Antarctica. The family of frogs called Ranidae, include the leopard frog and the bullfrog. These frogs are found in North America, South America, Asia, Australia and Europe. The green-boned frogs and the arrow poison frogs are found only in Central and South America.
On all these continents and in all these countries, frogs can be found all over the place. Some frogs live in the dessert, some live in the woods, some live in the water and some live in trees. Some frogs live in the swamp and some live in the mountains.
III. Feeding habi ...
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Nutrition Vs. Sport Performance
Number of Words: 1259 / Number of Pages: 5
... 30% fats, and 30% protein that the entire day’s meals should be divided into. The total calorie intake must increase for active persons from 2200 to 2200 plus the total number used while exercising. This will ensure replenishment of the body’s system.
With the wide variety of athletic competitions, the specific meal a competitor may need to eat to benefit themselves differs widely, as do the events. The last meal or two are extremely important in both their time of consumption and content. It is these two factors that can cause a person to make or break their day just by their ...
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Caffeine
Number of Words: 742 / Number of Pages: 3
... A mug of coffee can increase urination as much as 30 percent for up to three hours. Large fluid losses on a hot day can lead to dehydration. Increased stomach acid can aggravate ulcers or hightail hernia, and cause nausea, vomiting and diarrhea. can cause an accelerated and irregular heartbeat. Where lifts your spirits, when it wears off there can be bouts of depression. If drank too close to bedtime, can disrupt your sleep. You can get the shakes from .
Recent studies have failed to find any relationship between and strokes or increased risk of heart attack. There is no evidence that ...
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Darwinism: The Theory That Shook The World
Number of Words: 1800 / Number of Pages: 7
... many in the
presence of a misguided past belief. This fact alone makes him one of the most
important people of science ever.
Charles Darwin was born in Shrewsbury-Shropshire, England on Feb 12,
1809 (GEA & RBi p 42). He was the fifth child in a wealthy English family with
a history of scientific achievement with his paternal grandfather Erasmus Darwin
who was a physician and a savant in the eighteenth century (GEA & RBi p 42). As
a young boy Darwin already showed signs of his love for nature. When he was not
reading about nature and its quirks he was out in the forest looking for wild
game , ...
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