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Essays on Science

Colorado River
Download This PaperWords: 4746 - Pages: 18

... As settlers began to move westward, the Southwest was considered to be a place to avoid. Few considered it a place to traverse, to spread Christianity, and a possible source of furs or mineral wealth. Finding a reliable or accessible water source, and timber for building was difficult to find. There was a lack of land that could be irrigated easily. By the turn of the century, most present day cities and towns were already established. Trails, roads, and railroads linked several areas with neighboring regions. Although the drainage system was still not integrated. In the mid 1900’s many dams had been built to harness and use the water. A new phase of development ...



Internet
Download This PaperWords: 1053 - Pages: 4

... by the use of ordinary telephone wires. Users are then directly joined to other computer users at there own will for a small connection fee per month. The connection conveniently includes unlimited access to over a million web sites twenty-four hours a day, seven days a week. Since the can be accessed by millions of people all time, it would be a great incentive for businesses. The can help businesses in number of extraordinary ways. First, the is an excellent way to make business information available to possible consumers. Say a person hears about a product that your business produces and would like to know more information about that product. Well, through ac ...



Aquarius
Download This PaperWords: 416 - Pages: 2

... " lucky star of the tents." This makes up part of the asterism sometimes called the tent, but is usually called the urn referring to Aquarius. Skat or Scheat: It comes from the Arabic word for shin and it dates back to the translation of Ptolemy's Almagest. Albali: The name comes from the Arabic, which means "swallower"; no one really knows why the star got this name Situla: This name comes from Latin and means "well bucket". Situla was the original Arabic name for the entire constellation Aquarius. There are three star clusters contained in Aquarius. M2, which was discovered in 1764, is one that can be seen with a small telescope. A larger telescope i ...



Abortions
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... thing, and the apparent social problems like child neglect, and financial burden that comes with it don’t have easy solutions. On the other hand, the thought of killing a little baby is disgusting and unthinkable. This is where I stand, and the only solution I can come up with is the total ban of altogether. This task should not be a hard one, but it might take some time. My plan calls for the closing and the illegalizing of abortion clinics, and the prosecution of people who perform these deeds. As with any big descion we must consider the opposing views. One reason that the debate on what we should do about doesn’t go anywhere, is because each side focuse ...



The Cambrian Period
Download This PaperWords: 231 - Pages: 1

... appearance of abundant fossils especially Trilobites, which characterizes a succeeding point in time. During the Cambrian Period the lapetus Ocean appeared, the predecessor of the Atlantic Ocean, which separated the young North American and Eurasian continents. Also Gondwanaland was in the final stages of development. Gondwanaland was a very large continent made up of what is now South America, Africa, Arabia, Madagascar, India, Australia, and Antarctica. Large shelled organisms first emerged during the Cambrian. Also Earth¹s atmosphere contained the same amount of oxygen as it does now, enough to sustain the metabolic rate of a complex organism. Running d ...



Genetic Engineering And DNA Technology In Agricultural Productivity
Download This PaperWords: 758 - Pages: 3

... which are important for desirable traits. It is much easier to select plants and animals that have been mapped for important traits than waiting until they are fully-grown. This way, animals and plants are recognized at an earlier state whether or not they will be useful in breeding. DNA fingerprinting also makes it easier to ensure that organisms are homozygous for certain, desirable traits, rather than relying on just the phenotypes which may actually prove to be heterozygous and can, therefore, pass on the traits which were intended to be removed. Even the knowledge of a single gene can have a major impact. Just by locating a single pathogen-resistant tra ...



Masters Of The Universe
Download This PaperWords: 668 - Pages: 3

... it makes is called a singularity(Filkin 216). The singularity is the bottom of the black hole. Every stellar body has an escape velocity(Intro. to Black Holes 1). The escape velocity is the speed at which one must be going to escape the gravity of the object in question(Intro. to Black Holes 1). The Earth’s escape velocity is seven miles per second(Intro. to Black Holes 1). This means that to leave the Earth’s gravitational pull, you must be able to travel at least seven miles per second(Intro. to Black Holes 1). To escape a black hole, your velocity must reach at least the speed of light(Intro. to Black Holes 1). Because the speed of light( ...



Anti-Matter
Download This PaperWords: 1209 - Pages: 5

... Today's theories of the universe say that there is no such thing as a negative mass. The second and more subtle mistake is the idea that anti-water would only annihilate with ordinary water, and could safety be kept in (say) an iron container. This is not so: it is the subatomic particles that react so destructively, and their arrangement makes no difference. Scientists at CERN in Geneva are working on a device called the LEAR (low energy anti-proton ring) in an attempt to slow the velocity of the anti-protons to a billionth of their normal speeds. The slowing of the anti-protons and positrons, which normally travel at a velocity of that near the sp ...



How North Carolina Is Affected By Water Pollution
Download This PaperWords: 407 - Pages: 2

... lakes are impacted by dioxin, metals, and excessive nutrient enrichment. The Champion Paper mill on the Pigeon River is the source of dioxin contamination in Waterville Lake. The State and the mill implemented a dioxin minimization program in the mid-1980s and completed a modernization program in 1993 that will reduce water usage and discharges. About 94% of the estuaries and sounds in North Carolina fgully support designated uses. Agriculture, urban runoff, septic tanks, and point source discharges are the leading sources of nutrients, bacteria, and low dissolved oxygen that degrade estuaries. About half of the people in North Carolina use ground water as their ...



Types Of Land Features
Download This PaperWords: 2108 - Pages: 8

... to cool. The deciduous forest consists of the most variety of plant species than any other biome. The forests are layered by the canopy, understory, shrub layer, and herbal layer. Trees can grow up to 3-5 feet in diameter and 80-100 feet tall. Animal life is abundant. There are fewer large animals but an absorbent amount of smaller animals. Animals such as raccoons, skunks, foxes, voles, and mice are very common in the deciduous forests. Amphibians are just as common such as frogs, toads, and salamanders. Threats to this biome are happening more frequently. Acid rain and air pollution is threatening plants and animals. Deer population has ...




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