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» Science Essays and Papers
Global Warming
<view this essay>.... or heat, that the gases trap and keep near ground
level. The effect is comparable to the way in which a greenhouse traps heat,
hence the term. Environmental scientists are concerned that changes in the
variable contents of the atmosphere--particularly changes caused by human
activities--could cause the Earth's surface to warm up to a dangerous degree.
Since 1850 there has been a mean rise in global temperature of approximately 1°
C (approximately 1.8° F). Even a limited rise in average surface temperature
might lead to at least partial melting of the polar icecaps and hence a major
rise in sea level, along with other severe environmental disturbances. A .....
Number of words: 711 | Number of pages: 3 |
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Depression 4
<view this essay>.... called manic-depressive illness, a person’s mood swings back and forth between depression and mania. People with seasonal affective disorder typically suffer from depression only during autumn and winter, when there are fewer hours of daylight. In dysthymia (pronounced dis-THI-mee-uh), people feel depressed, have low self-esteem, and concentrate poorly most of the time—often for a period of years—but their symptoms are milder than in major depression. Some people with dysthymia experience occasional episodes of major depression. Mental health professionals use the term clinical depression to refer to any of the above forms of depression.
Surveys indicate th .....
Number of words: 2636 | Number of pages: 10 |
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Agent Orange
<view this essay>.... Ironically, the dioxin, which makes lethal to humans, isn’t intended to kill plants at all (Vancil, 1). It is extremely hard to prove, however, that dioxin is responsible for the countless illnesses acquired by many Vietnam veterans because each individual has their own tolerance to dioxin (Vancil, 1).
Many soldiers in the Vietnam War encountered repeatedly. Their lives revolved around the 55-gallon drums, which once were filled with an extremely harmful herbicide. Unaware of the possible consequences, many soldiers built showers and hibachis out of these discarded drums (Doyle, 139). They also used the barren drums to store potatoes and watermelons (Do .....
Number of words: 724 | Number of pages: 3 |
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Inventions And Their Importance
<view this essay>.... tell stories, and pay a lot more attention to their hobbies. This is what brings me to my thesis statement: In-home communication inventions have greatly affected the ways of modern living, and I intend to prove that in this report.
People invent for many reasons. Some hope to make money, others invent to make life more convenient, and some even invent to satisfy their curiosity of their urge to create (7,364/5), but satisfying economic needs, was one of the main reasons for invention. The economic inventions needed were devices, machines, business, and industry-processes and products. The majority of economic inventions collaborate with one another; a lot .....
Number of words: 1810 | Number of pages: 7 |
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Green Laws Boost Clean-up Iindustry
<view this essay>.... goldmine is going to be for the clean-
up industry ac-tually depends on law and order, so to speak. That is to say that
one of the main reasons for the turn up is new legislation. Recent EU-directives
as to pollution may cause heavy demands on the purse of one company and
consequently pour that money down the pockets of the clean technology indu-stry.
Moreover the deadlines for plants to meet EU-directives are getting close, and
everything se-ems to show that the laws will be enforced.
Yet far from all companies have to meet with the
raised finger of the law to start investing in their environmental
responsibilities. Investments on a volunta-ry basis ar .....
Number of words: 972 | Number of pages: 4 |
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Animal Captivity
<view this essay>.... food, utilities and other costs for the first two years alone" (Oregon Coast Aquarium). With all the problems in the world with humans and animals, it is hard to see this much money going to help just one whale.
There are different types of animal stories that people hear about. There are the wonderful stories about adorable animals that do something amazing or need our help. There are also stories about animals that are used in good and bad experiments. When you hear about the treatment of some animals for research, you feel like forgetting about research.
One such story was in 1988, three gray whales got stuck in freezing waters in Alaska, the whales were a .....
Number of words: 1581 | Number of pages: 6 |
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Thoughts On Acid Rain
<view this essay>.... acid(about 40% of the
total), while power generating plants and industrial commercial and
residential fuel combustion together contribute most of the rest. In the
air, the sulphur dioxide and nitrogen oxides can be transformed into
sulphuric acid and nitric acid, and air current can send them thousands of
kilometres from the source.When the acids fall to the earth in any form it
will have large impact on the growth or the preservation of certain
wildlife.
NO DEFENSE
Areas in Ontario mainly southern regions that are near the Great
Lakes, such substances as limestone or other known antacids can neutralize
acids entering the body of water thereby pro .....
Number of words: 1274 | Number of pages: 5 |
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Acetaminophen
<view this essay>.... Michael Weitzman and 2 other doctors performed an experiment on an infant to test the effectiveness of the drug. The results were not identical, but there were increases in heart rate respiratory rate and crying. But the drug did more good as a pain reliever after the surgery than before the surgery.
is ingested orally and is rapidly and completely absorbed into the gastrointestinal tract. It works in about one hour. The liver detoxifies 90% of it by mixing it with sulfuric acid, and another 3-5% is catabolized by enzyme reactions to the acid. The metabolites are excreted in the urine.
The dosage of the drug should be used according to the carton instru .....
Number of words: 415 | Number of pages: 2 |
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