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Search results 3741 - 3750 of 7035 matching essays
- 3741: Effects of Deforestation
- ... s food supply, threatens many human resources and has profound implications for biological diversity. Another negative environmental impact of deforestation is that it causes climate changes all over the world. As we learned in elementary school, plant life is essential to life on earth as it produces much of the oxygen that is required for humans and other organisms to breathe. The massive destruction of trees negatively effects the quantity and ...
- 3742: Chinook Salmon
- ... the holes in the nets are large enough for the head of the fish to fit through, and then the mesh gets caught in the fish's gills. Others are designed to circle around a school of fish and then is drawn shut. New technologies have developed factory stern trawlers which easily haul netloads of up to 100 metric tons of fish. However, when catching the salmon, fisherman use pound nets ...
- 3743: Nuclear Weapons
- ... for the decaying of uranium in soil, rock, and water. Inhaling this substance can damage your lungs and lead to cancer over time. Anyone who lives in homes, works in an office, or goes to school can be effected by the gas. Radon is just as dangerous as Pu-239 but it is more common. Shouldn't we be more concerned about what this naturally occurring substance can do rather than ...
- 3744: Electrochemistry
- ... methods are used in the large-to-medium-scale synthesis of organic "fine chemicals" because of the financial, safety and environmental advantages. Here's a page outlining some current research by one of my graduate school professors. I can think of at least three common uses of electrochemistry: pH meters and other measuring devices pH meters are electrochemical devices. They measure pH by comparing the electrical properties of a solution to ...
- 3745: Ozone
- ... labored breathing, sore throat, nausea, rapid breathing, and eye and nose irritation. The symptoms occur when the levels of ozone are only slightly higher than the legal standard. Living in San Diego during my elementary school year, I personally felt the effects of ozone; the tightness of the chest, wheezing, and labored breathing on certain hot, humid days. Days would be labeled "smog days", and children wouldn't be able to ...
- 3746: Acetylation of Ferrocene
- ... specifically, silica or alumina gel is used. Through this polar stationary phase, a mobile liquid phase is passed. Now, one can think of a polar stationary phase as a bully that waits in the high school halls for his hooligan friends. His hooligan friends, hooley's as I like to call them, always stay back to talk him; the rest of the normal student body simply keep walking and pass him ...
- 3747: The Creation of the Universe
- ... accounting for cosmic origins.2 In the scientific community there is a well known and accepted theory known as the "Big Bang Theory". Most people know of this theory because they were taught it in school. Yet it usually contradicted what their parents and pastors taught them in church. As a result, the Big Bang Theory was generally discarded as something that intellectual minds which cannot exist upon the true faith ...
- 3748: Heinrich Schliemann
- ... Questions Part III - Archaeology- 9/6/98." The Mining Company, <http://archaeology.miningco.com/library/weekly/aa090698.htm?pid=2765&cob=home>(6 September 1998) Kiernan, Mary K. "Heinrich Schliemann." Lecture at Vero Beach High School, 21 October 1997. Lost Treasures of Troy. BBC, London. 1994 "The Minoan Costume." FirstNet, <http://www.firstnethou.com/annam/costhist.html/minoan.html/index.html> Traill, David. Schliemann of Troy: Treasure and Deceit. New York ...
- 3749: Apollo 4
- ... at NASA had received enough information about faulty O-rings by August 1985 that they should have ordered discontinuation of flights. The shuttle rocketed away from the icicle laden launch pad, carrying a New Hampshire school teacher, NASA's first citizen in space. It was the worst accident in the history of NASA in nearly 25 years. 11:38 a.m. cape time, the main engine ignition followed by clouds of ...
- 3750: The Hale Bopp Comet
- ... object he was unable to find it on either Sky Atlas 2000.0 or Uranometria. The moment Jim said "we might have something" excitement began to grow among our group and I breathed a silent prayer thanking God for his wondrous creation. My friend, Kevin Gill then took a position from his digital setting circles and estimated a magnitude. At 11:15 I said that we needed to check the object ...
Search results 3741 - 3750 of 7035 matching essays
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