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Search results 2481 - 2490 of 5329 matching essays
- 2481: Acid Rain
- ... on our water!!! The water itself does not contain enough sulphur to kill off it's population of fish and plants. But with the sulphur in the soil it does. CONCLUSION: Acid rain is a big problem. It causes the death of our lakes, our rivers, our wild life and most importantly us. As well it causes other problems that are very serious as well such as the release of aluminium ...
- 2482: Acetylation of Ferrocene
- ... c=o bonds present, we would expect it to be a smaller peak than a F3 IR for DAFC. But I do not have an IR for F3 for comparison. Nevertheless, it probably has a big peak there in proportion to the F2 anyway. Hmmmmm. A large peak around the 2900 mark indicates the present of a hydrogen bonded to an aromatic ring. Our IR spectra for F2 does indeed show ...
- 2483: The African Penguin
- ... into the Guano for their nests and so the penguins and their chicks be came more vulnerable to the Kelp Gull. They became more vulnerable bec ause they were more easily seen. One of the big reasons why the African Penguin's population began to decline was because of over fishing in the nineteen fifties and the nineteen sixties. Fishermen were extensively fishing for pilchards, which reduced the food supply for ...
- 2484: Uranium: Nuclear Friend or Nuclear Foe
- ... U.S. used 3417 metric tons of the 29,100 metric tons of uranium produced world wide. As mankind approaches the new millennium we are faced with many problems, but maybe no problem is as big as the pandoras box we call the nuclear age. At the center of all the nuclear activity is the simple element, uranium, who has been present since the beginning of time. We as humans must ...
- 2485: The Dangers of Nuclear "Progress"
- ... United States would always have a military advantage if they gave up their plans for building a nuclear device and, therefore, rejected the proposal. I think that the refusal of the Soviet Union was a big mistake on their part. Not only did they put the safety of the U.S.S.R on the line, but of the whole world, as well. By rejecting that proposal, other countries would soon ...
- 2486: The Roswell Incident
- ... film, the left hand is being examined. You can clearly see five fingers, plus a very delicate thumb. The six toes of the feet are visible as well. Note that, unlike humans in general, the big toe is longer than any of the other toes. And there are no visible indications of toe or fingernails.
- 2487: Neptune
- ... planet. Neptune also has eight known satellites. Only two of these, Triton and Nereid, had been observed prior to the Voyager 2 flyby. Triton is the largest of the eight satellites and is almost as big as the Earth's Moon. The other Neptunian satellites range in diameter from 58 to 416 km (36 to 258 miles). Apart from Triton, the moons of Neptune are irregularly shaped and have very dark ...
- 2488: My Theory of the Universe
- ... stories. It is on the first story ceiling, but the ceiling is made of glass so the disco ball can be seen from both floors. The walls of the room are black. There is a big yellow spotlight in one corner of the room that slowly moves up and down. (Sun) There is another spotlight in the opposite corner, but this one is white and has a rotating filter to block ...
- 2489: Little Green Men or Just Little Microscopic Organisms?
- ... fossils of the microscopic organisms intact. Two highly regarded chemistry professors from Stanford, Claude Maechling and Richard Zare, dissected three meteorites that were about 2 to 8 millimeters long and found trace elements of a big mumbo jumbo word polycyclic aromatic hydrocarbons. That pretty much means that there once was a warmer climate and maybe even lakes or oceans. Life on Mars is now a real idea. The climate of Mars ...
- 2490: Stars
- ... the North Star, has a Greek name; Betelgeuse, a bright red star, has an Arabic name. Modern astronomers designate the bright stars according to the CONSTELLATIONS they are in. Thus, the brightest star in the Big Dipper (part of the constellation Ursa Major) is called alpha Ursa Majoris. Polaris, in the Little Dipper (Ursa Minor), is gamma (designated by the Greek lower-case letter gamma) Ursa Minoris, and Betelgeuse, in Orion ...
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