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» Browse Science and Environment Term Papers
Frog Disection
Number of Words: 838 / Number of Pages: 4
... The frog’s stomach is not as complex as a herbivore’s because they have to break down cellulose, which takes a longer time. (Giffard R. & Nat, M 1986)
This concludes my study on the digestion system of the frog.
FROG'S CIRCULATORY SYSTEM
A frog has a closed circulatory system just like humans. This means blood is always enclosed in blood vessels as it circulates the organisms body. Blood also circulates more rapidly and efficiently through a closed circulatory system. It consists of a very well developed system of arteries, veins and capillaries that reach all the living cells of a ...
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Solar Oven
Number of Words: 131 / Number of Pages: 1
... through, but not
allow it to escape. The charcoal cubes and shavings will absorb the heat in the
box and store the excess heat allowing the flow to continuously warm the oven.
The tin foil will reflect heat and subsequently heat up the oven. The
polyurethane material will trap the heat inside the oven. The mirrors will help
the heat stay inside the box.
Materials used:
Shoe Box
Tin Foil
Sheets of Glass
Charcoal Cubes and Shavings
Scissors
Glue
Knives
Polyurethane
Non-Glossy, Black Spay Paint
Four (4) Wood Pegs
Mirrors
Sealer ...
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Temagami
Number of Words: 4784 / Number of Pages: 18
... as well as through their effect
on humans in sometimes subtle ways. The inherent properties of wood have always
made it attractive as a versatile resource but there are other, more subtle ways
in which it affects people. The tropical rainforests, responsible for producing
most of the earth's breathable air, have been given the lofty title of "lungs of
the Earth," and as stated by the Canadian Encyclopedia Plus '93, "forests
provide an additional, although intangible, benefit: the opportunity for renewal
of the human spirit" (CAN ENCYC). Once humanity accepts these facts, we open
ourselves up to prof ...
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Biome Broadcast
Number of Words: 969 / Number of Pages: 4
... long, the second trail was two miles long, and the third trail was four
miles long. Since it was such a beautiful day we all decided to take the third
trail that was four miles long.
We started hiking around 11:00 AM. While we were hiking we heard wings
flapping, we all turned and saw a robin fly towards the ground, pick up a worm,
and feed it to her babies. Everyone thought that it was cute. After, we
watched the robin for a while we continued hiking until 12:30 PM.
Everyone was hungry so we decided to find a spot to eat our lunches. We
found a perfect spot, it had a great view, a patch of beaut ...
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Lab Protocols
Number of Words: 473 / Number of Pages: 2
... Not only for
money purposes but also for your own personal safety.
The sixth rule is to not touch anything that the teacher or the lab
specifically instructs you to. Because you don't need to.
The seventh rule states that activities should only be done if they are
specifically discussed in your lab. This is for safety purposes and for the
liability of the school.
The eighth rule is that you are not to contaminate chemicals by using
equipment in more than one substance without washing it thoroughly. Doing this
can cause explosion, fire, bodily harm, poisonous gasses, or possibly death ...
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Marijuana And Its Effects On Humans
Number of Words: 1467 / Number of Pages: 6
... neurochemical atrophy in the brain at all. Furthermore, it should be noted that Heath's work was sharply criticized for avoiding safeguards of bias and reporting "changes" that occur normally in the mammalian brain. Wu et al. found a correlation between cannabis use and low sperm counts in human males. This is misleading because a decrease in sperm count has not been shown to have a negative effect on fertility and because the sperm count returns to normal after cannabis use has stopped.. Another claim made was that cannabis causes chromosome breakage. The primary source for this are studies that were ...
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Epidural In Labor
Number of Words: 566 / Number of Pages: 3
... use of epidurals potentially hazardous. The Physician’s Desk Reference cautions that local anesthetics – the type used in epidurals – rapidly cross the placenta. When used for epidural blocks, anesthesia can cause varying degrees of maternal, fetal, and neonatal toxicity which can result in the following side effects: hypotension, urinary retention, fecal and urinary incontinence, paralysis of lower extremities, loss of feeling in the limbs, headache,
backache, septic meningitis, slowing of labor, increased need for forceps and vacuum deliveries, cranial nerve palsies, allergic re ...
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Cloning: Background
Number of Words: 1074 / Number of Pages: 4
... hinted he may be repeating his experiment to silence the critics (Recer). Wilmut does not have the courage to repeat his experiment, also that the government will never allow him to repeate it.
Another reason for cloning is that before it was done and even now scientists think cloning could help produce genetic models of human diseases. With this researchers could understand them and develop cures . Also cloning could bring new insights into the process of aging ("Mammalian"). The reason they want to do this is because if scientists could understand aging then maybe they could extend or eliminate it. ...
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Artifical Intelligence
Number of Words: 3402 / Number of Pages: 13
... Case-bases reasoning (CBR)
1. Allows a system to store and analyze data
2. Analyzes each case uniquely
III. How AI can be used
A. Neural Networks
1. Military aircraft
2. S&P index
3. Recognizing new patterns of credit-card fraud
B. Fuzzy logic
1. Washing machines
2. Vacuum cleaners
3. AC's
C. Chaos theory
1. Wall street
2. Ability to predict and diagnose heart disease
D. Expert systems
1. Employee Training
2. Wisdom Simulators
3. Industry applications
E. KBS and CBR
1. Help desks
2. Law
3. Paroling inmates
IV. Recomme ...
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Technology The End Of Mankind
Number of Words: 509 / Number of Pages: 2
... The weapon that has had the most impact is the gun. It has killed millions, not only in wars, but in everyday life as well. In addition, there is the atomic bomb that killed thousands at Hiroshima. More recently there is the nuclear missile that is capable of wiping out an entire major city. Moreover, there are many inventions that have been built with the intent to improve life only to repeatedly take it away from people. Some such inventions are cars, planes and nuclear power plants. Something must be done to hinder the advancement of technology in these areas before we are all dead.
Las ...
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