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Science Essay Writing Help
Classification
Words: 1136 / Pages: 5 .... extends
upward from several million species, each made up of individual organisms
that are closely related, to a few kingdoms, each containing large
assemblages of organisms, many of which are only distantly related.
Carolus Linnaeus is probably the single most dominant figure in systematic
classification. Born in 1707, he had a mind that was orderly to the extreme.
People sent him plants from all over the world, and he would devise a way
to relate them. At the age of thirty-two he was the author of fourteen
botanical works. His two most famous were Genera Plantarum, developing an
artificial sexual system, and Species Plantarum, a famous work where h .....
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Our Solar System At A Glance
Words: 4469 / Pages: 17 .... startling discoveries.
But the years since 1959 have amounted to a golden age of solar
system exploration. Advancements in rocketry after World War II enabled
our machines to break the grip of Earth's gravity and travel to the Moon
and to other planets.
The United States has sent automated spacecraft, then human-crewed
expeditions, to explore the Moon. Our automated machines have orbited and
landed on Venus and Mars; explored the Sun's environment; observed comets,
and made close-range surveys while flying past Mercury, Jupiter, Saturn,
Uranus and Neptune.
These travelers brought a quantum leap in our knowledge and
understandi .....
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Cdr
Words: 2571 / Pages: 10 .... This has started to have a negative economical effect on the music industry. I will address the issue of piracy later in this report. CDs have become a cost effective industry standard when it comes to storing data.
Some terms that you will encounter throughout this report are:
CD-ROM – Compact Disk Read Only Memory, (non recordable CD)
– Recordable Compact Disk
Floppy disk – a square 3 ½ inch disk, with a capacity of 1.4mb
Cartridge – A high capacity form of storage, slightly larger than a floppy disk
Byte - The way that data is measured
MB – megabyte, (1,000 bytes)
Gi .....
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Early Health And Medicine
Words: 419 / Pages: 2 .... people began to be much more conscious of their personal hygiene. Such as, brushing their teeht and bathing more persistently. Pastuer opened the doors to a series of new remedies and discoveries. Some of these would include pasteurized milk(you can see where it received it's name), bacteria, fermentation, yeast, and rabies:to name a few. Within a year of Pasteur's remedy for rabies, he treated and cured maore than 2,000 patients.
A German pathologist named Robert Kock (1843-1910) studied a disease called diptheria. Koch learned htat diptheria bacteria or bacilli could only be found in samples from a patients throat. Although Koch could not understa .....
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Chemistry-soaps And Detergents
Words: 655 / Pages: 3 .... of esterification.
O O
R-C-O-R’ + NaOH ---- R-C-O-Na+ + R’OH
Ester(fat) + base(caustic soda) ---- salt of fatty acid(soap) + alcohol(glycerol).
Caustic potash (potassium hydroxide) can be used instead of caustic soda (sodium hydroxide)but is more expensive. The base used to come from wood ash containing potassium carbonate which formed potash as this was not plentiful it made soap a luxury. The cheapest source of the ester is animal and vegetable fats and oils.
H-H-H-H-H-H-H-H-H-H-H-H-H-H-H O
H-C-C-C-C-C-C-C-C-C-C-C-C- .....
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Sharks
Words: 2116 / Pages: 8 .... one who’s seen the famous movie series "Jaws" may look at the Great
White Shark in a similar manner. Perhaps it’s the way that Hollywood uses a mix
of fact and fiction in the series. This may have frightened many people into
hating the Great White for it’s ferocity. It might have also been the size of
the shark in the movie that’s kept thousands of people off the beaches and out
of the water. Better yet, it could have been the overall storyline: A Great
White shark with an eating disorder and a taste for human flesh. Perhaps that’s
what is keeping vacationers from grabbing their trousers and snorkels.
Over all, there have been 1026 .....
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Atomic Bombs
Words: 1302 / Pages: 5 .... nuclear bomb. The official agency that produced the bomb was the Corps of Engineers’ Manhattan Engineer District, commanded by Major General Leslie R.Groves. He directed industrial and research activities at such sites as Oak Ridge, Tennessee, and Los Alamos, New Mexico (The World Book Encyclopedia 141). Here they designed to bombs that were later called “The Fat Man” and “The Little Boy”. There was later a movie named after the two bombs that showed how they were made and the
experiences that came with making them. A worker was killed during the final stages of the Manhattan Project when a critical assembly of fissile material was acci .....
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Ecommerce
Words: 646 / Pages: 3 .... rather every one of us would prefer to shop online at the same price and get delivered at our door step. The electronic retail marketplace demands the highest attention to visual graphic design quality, coupled with the ability to construct an electronic catalog. This catalog must support multiple layouts and instant credit card transaction processing. There are certain advantages and disadvantages of trading on the net.
? One can buy each and every product sitting at home.
? It saves lot of time.
? Sometimes it saves lots of money too. For example, “ when I registered for this fall term I visited the book store and figured out that the tot .....
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The Hippopotamus: Endangered Species Report
Words: 641 / Pages: 3 .... in the world, around
23,000 hippos. According to a count done in 1994, this number has now dropped
to 11,000. The 1989 ban on elephant ivory is the main cause attributed to the
exponential rise to hippo ivory trade.
"European and African activists are petitioning advocacy groups, including last
week's annual Convention on International Trade in Endangered Species in Florida,
for a ban on hippo poaching. But they say they're a long way from putting an
end to the slaughter." (Howard & Koehl)
The hippopotamus is an enormous amphibious animal with smooth, hairless skin.
Hippos can be found in Liberia, the Ivory Coast, and a few can also be .....
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Network Security
Words: 2810 / Pages: 11 .... restricts and protects the threats from in and out side the organisation. This report proposes the need of security and ways in which the organisations secure their business information will be discussed.
Facts and findings
2.1 What is Security?
“ Security is the state of mind” [1]
An example is mission impossible one of the detective movies who show how easy it is to tap a telephone- Although it is illegal unauthorised access is gained, damage can be done to sensitive data if leaked from one company to another which can provide criminals with the electronic gold mine of fraud opportunities.[2]
so this justifies the need for .....
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