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» Browse Science and Environment Term Papers
Acid Rain 12
Number of Words: 1314 / Number of Pages: 5
... has not dropped as much as might be expected from the reductions in emissions.
· Estimates of how much pollution the environment can absorb without damage are called critical loads.
· Sulphur, like nitrogen, is essential to all animals and plants. The natural sulphur cycle includes volcanic emissions, sulphate in sea salts, and sulphur compounds produced by marine organisms. On a global basis, emissions from such sources are of about the same order of magnitude as those from the combustion of fossil fuels (coal and oil), but like many other essential substances, sulphur is harmful in excessi ...
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Hypothermia
Number of Words: 921 / Number of Pages: 4
... dying of in their homes do to the non-efficient heating system. Over 50% of deaths in Manitoba, Alberta, and British Columbia are related to alcohol and drug intoxication.(Seluge,1) can also occur when a person has illnesses or health problems such as heart circulatory, or thyroid diseases; diabetes, arthritis, and other conditions that prohibit mobility. Having these conditions can interfere with the body's ability to fight the cold. When a person is fatigue or in poor physical condition, or drinking alcohol, wearing inadequate clothing, or taking combinations of medications it may also lead to ...
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Hail
Number of Words: 1296 / Number of Pages: 5
... had a circumference of 17 inches and weighed 1.51 pounds
(Dennis 54).
Hail can be extremely dangerous. It can break windows, damage
roofs, dent cars, injure and even kill people! Crops are greatly affected.
Hail causes around two hundred million dollars in damage a year. That's a
lot of money. When the wind is blowing hailstones are at their worst.
The most common places to see hail is in Texas, through the Great
Plains and up into Alberta, Canada. Areas in the east of the high plains
tend to have most of their hail in the spring. Southeastern Wyoming,
western Nebraska, and e ...
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The Greenhouse Effect
Number of Words: 424 / Number of Pages: 2
... CFCs have also
been blamed for ozone depletion. CFCs are suspected of breaking down ozone
particles that shield us from the sun's ultraviolet rays. Too many
ultraviolet rays can cause cataracts and skin cancer. A hole in the ozone
has been discovered over Antarctic the size of the United States. The hole
is actually where the ozone has been depleted or thinned by the CFCs. The
use of aerosol cans accounts for most of the release of CFCs. This
resulted in the United Stated as well as other countries outlawing the use
of these harmful chemicals in aerosol cans. Experts think that CFCs c ...
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Lab Report Of The Cells
Number of Words: 491 / Number of Pages: 2
... membrane and the nucleus. The Cytoplasm also contains organelles, which have specific functions in the cell metabolism. Then there are the Golgi Bodies, which serve as processing, packaging, and storage for the cell. These organelles package and ship things out. Another parts of the cell, a very important one in fact, are the Lysosomes. These organelles are used to break things down and contain enzymes.
First we placed the slide under the simple microscope and observed it at ten times magnification level. We each took turns looking. We then copied them as drawings into our Cornell notebooks. After th ...
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Renewables, The Energy Source For America’s Future
Number of Words: 1078 / Number of Pages: 4
... but unfortunately they also have many setbacks. The finite reserves of fossil fuels are being depleted at a rate one hundred thousand times faster than they are being formed. As supplies decrease we become more and more dependent on the Middle Eastern countries for our supplies of oil, recently, fifty-two percent of imported oil came from such countries. The most significant drawback is the amount of pollution produced by fossil fuels.(5)
These negative impacts can be lessened and even eradicated through the use of renewable energy. There are several forms of renewable energy, with wind and solar ...
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Is There Life On Mars
Number of Words: 888 / Number of Pages: 4
... that are believed to have originated on Mars (Meteorites from Mars, 1). The meteorites were dated using radiometric dating methods (Erjavec, 1).
The most widely accepted theory of life on Mars is that of the recently conceived primitive, or microscopic, life may have existed on early Mars. "A NASA research team at the Johnson Space Center and at Stanford University has found evidence that strongly suggests primitive life may have existed on Mars more than 3.6 billion years ago" (Release: 96-160, 1). Many meteorites have landed on earth, but only 12 are believed to have originated on Mars. These ...
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Geoloy Of Mars
Number of Words: 335 / Number of Pages: 2
... hundred Km per hour are required to raise the dust particles during a dust storm, and these fast- moving particles erode structures with a sand-blasting effect " (Grolier, 1992). Therefore, the surface is basically plain-like and covered with large craters. There are also some areas where the rock is " jumbled." The poles of Mars are iced over and the temperature is about 160 - 170 degrees K. Mars also has its share of volcanoes. Most of these volcanoes are shield volcanoes. The surface is littered with winding channels that resemble river channels that have dried up over time. Scientists believe that ...
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Lasers 4
Number of Words: 757 / Number of Pages: 3
... of several components. A few of the many things that the so-called active medium might consist of are, atoms of a gas, molecules in a liquid, and ions in a crystal. Another component consists of some method of introducing energy into the active medium, such as a flash lamp for example. Another component is the pair of mirrors on either side of the active medium which consists of one that transmits some of the radiation that hits it. If the active component in the laser is a gas laser than each atom is characterized by a set of energy states, or energy levels, of which it may consist. An example of the ...
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The Entertainment Universe
Number of Words: 880 / Number of Pages: 4
... in the crowd snaps his neck and dies.
The man does not stop his ravings and the crowd doesn't stop their dance.
Instead the man becomes entirely deranged, screaming at the body of the young
man that he is now going to hell where he rot in flames of agony for eternity.
The crowd roars and the man laughs.
What do you suppose would now transpire? At the very least the man and
the crowd would be arrested. More than likely there would be several charges of
third degree murder laid, certainly with several convictions. The preacher would
most likely be taken to a hospital for a psychological examinatio ...
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