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» Browse Science and Environment Term Papers
Do Cleaning Chemicals Clean As Well After They Have Been Frozen
Number of Words: 423 / Number of Pages: 2
... purpose
of the test was to determine how well the chemicals could break down household
grease before and after the substances were frozen. The first test set would
focus on unfrozen chemicals, while the second was set up for previously frozen
chemicals.
The Test:
To start the experiment the researcher fried four pieces of bacon until
there was enough grease in the skillet to perform the test. He then put a
quarter teaspoon of the grease onto two nine by thirteen casserole dishes. Each
casserole dish was set up for three frozen and three unfrozen chemical cleaners.
A measured amount of cleaner (both f ...
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The Promise Of Genetic Engineering
Number of Words: 942 / Number of Pages: 4
... in which genetic engineering affects two important areas in today's
society. The first one will be the improvement of the world's agricultural
techniques. With an ever-increasing growth in world population, the
Earth's resources are constantly becoming scarce. The advent of genetic
engineering may be used to avert the occurrence of worldwide famine and
starvation. The second one investigated will be in the field of
medical development and study. Currently, genetic diseases are decimating
the world's population. Thousands of people have already died without a
single worthy treatment or cure. W ...
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The Evils Of Hunting
Number of Words: 430 / Number of Pages: 2
... drastically.
In the 1970's, the number of ducks making annual flights was approximately 91.5
million. In 1995, the number had been reduced to around 64 million. Within 20
years, in short, the duck population was reduced by almost one third, showing
the drastic toll hunting is taking on our wildlife. If we assume that other
species have been reduced in number at approximately the same rate in recent
years, then what are the larger implications for our ecological balance? If this
trend continues, by the year 2055, the members of species which are hunted could
be reduced by as much as 81 percent. (Satchel ...
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Concept Of Species
Number of Words: 1248 / Number of Pages: 5
... with Drosophila). More importantly Sexual reproduction is
the predominate form of reproduction in these groups. It is not
coincidental that the BSC is less widely used amongst botanists.
Terrestrial plants exhibit much more greater diversity in their mode of
reproduction than vertebrates and insects.
There has been many criticisms of the BSC in its theoretical validity and
practical utility. For example, the application of the BSC to a number of
groups is problematic because of interspecific hybridisation between
clearly delimited species.(Skelton).
It cant be applied to species that reproduce ase ...
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The Mystery Of Area 51
Number of Words: 1024 / Number of Pages: 4
... in Area 51.
On July 7, 1947, two ranchers in Roswell, New Mexico, observed
something that would be the beginning of what might be one of mankind's
most unexplained phenomenons in history. According to these ranchers, (who
asked to be anonymous) a flying object came out of the South East and went
flying into the Northwesterly direction. These ranchers observed it for 40
or 50 seconds before it disappeared behind the hills. They did not recall
it making any sounds (Roswell 1).
The next day, another rancher recovered a part of what is believed
to be, the flying object that was seen the night be ...
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Information Warfare
Number of Words: 1274 / Number of Pages: 5
... third wave, defined by Tofflers, becomes more widely spread across the nation and world we can only expect a far larger usage of such technological tactics, being used in the home, workplace, and even international politics. Schwartau’s definition of is, “the use of information, and information systems as both weapons and targets in a conflict,” (Schwartau 12). We are now living in a time when knowledge is power, and what is knowledge made up of? Quite simply, information.
is not only becoming more rampantly used among people, but they are using different types as well. Ther ...
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Effects Of Smoking
Number of Words: 389 / Number of Pages: 2
... nearly over $3.00 now, that’s over $20.00 a carton. Think if you smoked two packs a day for 30 years, multiply that by the price of a pack a cigarettes (think about the fact that the price is almost certain to rise within that time), that’s a lot of money. Then you have the cleaning and air freshening bills about every 2 or 3 months. There would be cost to burns on your clothing and furniture.
Smokers have become more and more unpopular in recent years due too the dangers of second hand smoke. Smoking not only affects you, but can also affect the people around you. New state laws ...
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The EPA: Can It, Will It Save Our Environment?
Number of Words: 640 / Number of Pages: 3
... levels of dioxin in soil, which was then criticized for
its heavyhandedness and arrogance. Charges of mismanagement and undue political
influence caused the head of the EPA to resign in '83. "The deputy director
resigns because of charges of making a 'hit list' of employees to be hired,
fired, or promoted because of political leanings. The former head of the toxic
waste cleanup is found guilty of perjury and obstructing congressional inquiry.
A regulation requiring treatment of hazardous wastes before disposal underground
was made in 1984." The spill of the Exxon Valdez caused the Environmenta ...
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The Canada Goose
Number of Words: 3286 / Number of Pages: 12
... moving its head (Wormer). The Canada Goose
also has an acute sense of hearing, it's ears are positioned on the side of it's
head (Wormer). They have either no sense of smell or a very poor one, but this
does not impede the goose in any way (Wormer). Although there is a large
variation in size all subspecies of Canada Geese look the same physically
(Wormer) The male and female Canada Goose look almost exactly the same except
the female can usually be recognized because it is smaller and less aggressive
(Wormer). Colors also vary but, the color pattern is generally the same for all
the subspec ...
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Acid Rain
Number of Words: 1146 / Number of Pages: 5
... carbon dioxide, a so-called greenhouse gas that traps heat within the
earth's atmosphere which causes global warming that is taking place right now.
Also, it releases sulfur dioxide, nitrogen oxide and various metals (mercury,
aluminum) that are released into the atmosphere that reacts with other airborne
chemicals (water vapor and sunlight) to produce sulfuric and nitric acid which
later can be carried long distance from their source and be deposited as rain
(acid rain) but acid doesn't just came from rain but also in the forms of snow,
hail, fog, and mist.
Forests are a complex ecosystems th ...
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