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» Browse Science and Environment Term Papers
Creation Or Evolution?
Number of Words: 685 / Number of Pages: 3
... in six days. Biblical creationists interpret most sedimentary rocks as products of Noah's flood. The majority believes that the earth is under 10,000 years of age. Some believe 4004 BC was the year of creation.
The person who proposed the methods by which natural processes cause the evolution of the species was Charles Darwin. He used natural selection to explain how evolution worked. Darwin's old teacher said evolution would "brutalize" us as human beings and sink us "into a lower grade of degradation" than any time in recorded history. He was partially correct. The fact that many peopl ...
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Alcohol Benefits
Number of Words: 449 / Number of Pages: 2
... For some people, the risks of alcohol outweigh the benefits. And remember that while one drink a day can be helpful, more can be harmful.
Could a drink a day keep the doctor away? One study says alcohol can have beneficial effects. Doctors recently determined that people who drank moderately, about one or two drinks per day, had a lower chance of developing blocked arteries in their legs. This condition results when the arteries in the legs become hardened.
Researchers aren't sure exactly why alcohol works this way. It could be because alcohol improves circulation slightly, dilates blood vessels ...
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How Does Light Affect The Rate Of Photosynthesis?
Number of Words: 1845 / Number of Pages: 7
... We did this because it gave us the idea what problems we might face when we did the main experiment and gave us the idea how to do it.
The pondweed should create photosynthesis by the following equation: -
6CO2 + 6H2O 6C6H12O6+ 6O2
Photosynthesis occurs when plants take in Carbon Dioxide from the surrounding air in its leaves and water from the nearby soil in its roots. The leaves then take light energy from the Sun, which is absorbed in the chlorophyll in the cells and passes it along for it to be used in photosynthesis. Glucose is produced and is converted into Starch to be stored. ...
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The Chlorine Debate: How White Do You Want It?
Number of Words: 1421 / Number of Pages: 6
... whenever chlorine containing substances,
such as PVC, are burned.
Life as we know it will change, if a Greenpeace campaign is successful.
The powerful environmental group has mounted a well-organized campaign that has
as its objective nothing less than a total, worldwide ban on chlorine. With the
public health and billions of dollars at stake, the debate over chlorine has
become one of the world's most contentious and controversial issues. "Is a
chlorine-free future possible?" asked Bonnie Rice, a spokesperson for
Greenpeace's Chlorine Free Campaign. "Yes, it can be done without massive
disruptio ...
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Fungus
Number of Words: 2092 / Number of Pages: 8
... less likely to be found in dry areas. Some few types of fungi have been reported in Arctic and Antarctic areas (some molds, after all, thrive on refrigerated food). There are about 50,000 known species of .
Although any single typical may not be uniform in appearance--a mushroom, for example, has a cap, stem, and rootlike components--it has, in fact, a uniform structure throughout. The typical consists of a mass of tubular, branched filaments, or strands, called hyphae (singular, hypha). The mass of hyphae is called the mycelium, and it is this that makes up the thallus, or body, of the .
In order ...
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The Problem Of Global Warming
Number of Words: 457 / Number of Pages: 2
... warming is the excrement of cows. Cows produces tons of carbon that does
not all get treated for, and is in the top five for highest amounts of carbon
produced per year. This is another factor that somehow has to be dealt with.
All of these causes of global warming have been know by scientists, it's
the effects we are seeing in today's climate now they had no idea of. Arctic
glaciers are melting and causing the ocean's water level to rise. It has be
proven that if the water level were to rise anymore then we won't be able to see
the state of Louisiana anymore or any coastal areas anywhere. L ...
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The Effects Of Acid Rain On Lakes And Trees
Number of Words: 594 / Number of Pages: 3
... many cones (Baines, 22). Secondly, acid rain
damages the trees through the soil by releasing metals that harm them even further (Lucas, 72).
Acid rain makes the trees lose their leaves, so when the trees try to regrow their leaves, buds
come instead, this process is called a panic shoot (M. 15). Large land areas which used to be
covered with forests are now gone, dead or dying (Baines, 21). Around the 1980’s more than half
Kotto 2
of the trees in Germany had signs of acid rain damage (Edmonds, 14). Now it is known that acid
rain is one of ...
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Alternate Energy Sources
Number of Words: 535 / Number of Pages: 2
... is probably the biggest known Alternate Energy Resource. Fusion is the joining of the nuclei of two atoms to form the nucleus of a heavier element. It occurs mostly with hydrogen and other light elements. Fusion reactions, also called thermonuclear reactions, release a great deal of energy. Scientists are still conducting experiments on ways of harnessing Fusion so we can use it as an energy source.
Microwave Power
25% of the energy we use today is used to for indoor lighting. Microwave power is the art of taking light from the sun and using it to light out indoor areas. It can only be ...
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Oxygen
Number of Words: 752 / Number of Pages: 3
... guided missiles and rockets2.
I have chosen the element "Oxygen" because without Oxygen, human beings
would not be able to live. Oxygen is probably the single most important element
in the world as we know it. With out Oxygen we would not breath, have water, eat
plants.
Oxygen's Electron configuration is 1S2 + 2S2 + 2P4, it's electron dot
symbol is: .
Gaseous oxygen can be condensed to a pale blue liquid that is
strongly magnetic. Pale blue solid oxygen is produced by compressing the
liquid. The atomic weight of oxygen is 15.9994.Oxygen composes 21
percent by ...
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The Rain Forest
Number of Words: 2207 / Number of Pages: 9
... world, however, 90 percent of them are concentrated
into fifteen countries, each containing over ten million hectares. Tropical
rainforests receive 160 to 400 inches of rain each year. Although these dense,
damp forests cover just 5 percent of the Earth's surface, they can provide homes
for between 50 and 90 percent of the Earth's plants and animals
(http://www.davesite.com/rainforests/review1.shtml).
Tropical rainforests consist of three distinct layers referred to as the
forest floor, the understory, and the canopy. The forest floor contains very
poor soil which is mainly due to the trees not ...
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