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When one starts a car or burns wood, the last thought on their mind is the
consequences to these actions. Unfortunately, the daily dangers to earth are not
widely know. Due to the constant change of society, this planet must cope with
various problems. One of the most important ecological structures is the ozone
layer. The same shield that protects us from the sun's deadly radiation, can
also act as a blanket engulfing us in heat. This situation is know as the
greenhouse effect. What is the greenhouse effect, what causes it, and what can
be done to control it?
The problem of global warming has been around for some time now. Though not
until recently has it become a priority. So important, that figures such as Vice
President Al Gore have spoken out. Many are realizing that the greenhouse effect
is not something to be put aside, yet rather something to be worked on and
studied. "The greenhouse effect displays that nature is not immune to our
presence" (Kralijic, 1992). Ways must be found to lessen the threat of this
growing crisis. If this effect were to continue and grow, the earth's population
would be exposed to serious threats.
Carbon dioxide is essential for plants who use it for photosynthesis, yet too
much can lead to serious threats. The problem lies in the disruption of the
balance between how much carbon dioxide plants intake, and what our population
produces. If this natural filtering process is unbalanced, the atmosphere will
receive too much carbon dioxide and other greenhouse gases. Once these gases
form in the atmosphere, they act as barriers trapping in heat and warming the
earth.
This process is not new. In fact, without the greenhouse effect, the average
surface temperature of the earth would be about 59 Fahrenheit degrees lower than
it is today. "Long before civilization intervened , the thin blanket of gases
that surround the earth was efficiently trapping a tiny portion of the sun's
heat and keeping it near the surface to warm up the air just enough to prevent
temperatures from plunging to frigid extremes every night- which, of course, is
exactly what happens on the moon and on planets like Mars that have very thin
atmospheres" (Gore, 1992).
The greenhouse effect received its name because the atmosphere of the earth acts
much like the glass roof on a greenhouse. Sunlight enters the ...
may be created by substituting some or all of the hydrogen of a phosphoric acid by metals. Depending on the number of hydrogen atoms that are replaced, the resulting compound is described as a primary, secondary or tertiary phosphate. Primary and secondary contain hydrogen and are acid salts. Secondary and tertiary phosphates, with the exception o...
In the late 1800's it was discovered that papa-amino-phenol, could reduce fever, but the drug was too toxic to use. A less toxic extract called phenacetin was later found to be just as effective but also had pain-relieving properties. In 1949, it was learned that phenacetin was metabolized into an active but also less toxic drug, . Since then, ha...
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The genetic disorder which I have chosen as the subject of my report is hemophilia. There are two types of hemophilia, hemophilia-A and hemophilia-B. The clinical symptoms of both are very similar so for the purposes of this paper I have chosen to concentrate on hemophilia-A. Hemophilia-A is an X linked bleeding disorder resulting from a defect in...
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