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Search results 10471 - 10480 of 12257 matching essays
- 10471: Animal Uses
- ... only have a brain, they have feelings too. Curtis uses an example at the beginning of her essay to point out the wrong doing in animal testing. She talks about a professor who went to school in the morning and found that someone had left a tube in a dogs mouth, allowing it to breath. The dog was dead, not because the professor or the student had killed it, but because ...
- 10472: Livestock and Wastes
- ... Farms spill. There have been six other waste lagoon spills in North Carolina and three in Iowa, which shows that this was not an isolated occurrence. Downstream of the spill, the New River also had high fecal coliform bacteria counts. Fecal pathogens that can be transmitted from livestock to people include enteric bacteria such as salmonella and shigella, and protozoa such as cryptosporidium and giardia. People could be exposed to these ...
- 10473: Photosysthesis Experiment
- ... color at a very slow rate. DISCUSSION In our first experiment of this slab, we got different Rfs for the different pigments in plants. These values represent many different aspects of the pigments. A high value means that the pigment segregated a lot, and therefore from this data, we can conclude that the pigment is low in weight and is very polar. A low Rf value means that the pigments ...
- 10474: Environmentalism
- ... already existing technologies work more in favor of the environment (Anderson). One example of this can be found at the University of Richmond in Virginia. Students have started a recycling program that has reduced the schools waste stream by twenty percent
(Ruben). This type of thinking is our best bet. Working with what we have in order to make things better is the only way to achieve a happy medium ...
- 10475: Ocean Pollution
- ... already is. Here are a few of them: 1. Join or start an environmental club in your community. 2. Recycle your plastics, bottles, and whatever else is possible in your community. 3. Conserve water at school and at home. 4. Use trashcans, that's what they are there for. Don't be lazy. I, for one am really concerned about the ocean. I should be, not because I surf in it ...
- 10476: The Positive Effects of DDT
- ... were growing every year during the use of DDT. The problem of the thin eggshells had been around long before DDT. The causes of this occurrence include diets low in calcium or Vitamin D, fright, high nocturnal temperatures, various toxic substances, and disease (Edwards 86). Scientific experiments, which involved feeding DDT to test birds in doses that were 6,000 to 20,000 times more than the birds would consume normally ...
- 10477: Compressed Gas: Helium
- ... extracted from natural gas deposits. Only a few sources in the world contain significant proportion of helium and justify it's separation. These are in the US, Poland, Algeria and Russia. Because of it's high value, helium is the ONLY major industrial gas to be traded internationally. Natural gas in this locality was first found in 1903 at Dexter, Kansas . The town, envisioning a prosperous future, advertised its discovery far ...
- 10478: Gold
- ... are used in radiation therapy to treat certain forms of cancer. Gold is found mostly in low concentrations over wide spread areas of the earth. Its usually found with copper and lead in ores. In high concentrations gold is found as a free metal. The average abundance of gold is not known, but it's estimated for the earths crust there is 0.001 parts per million. Gold is a ...
- 10479: 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 ...
- 10480: The Physics Of Scuba Diving: Swimming with the Fish
- ... s back and was sufficient to provide one breathing cycle on demand. The demand valve regulator was used with surface supply largely because tanks of adequate strength were not yet available to handle air at high pressure. This system's demand valve, which was automatically controlled, represented a major breakthrough because it permitted the diver to have a breath of air when needed. The Rouquayrol and Denayrouse apparatus was described with ...
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