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4,610 Essays on Science. Documents 3,391 - 3,420

  • Rocks

    Rocks

    Mineral Project For many decades, gold has been a very precious throughout the history of mankind; it has been bought and sold by many people. Gold is so old it dates back to the prehistoric ages. I was born in California back in 1848. Gold there was very seldom, and only rich people could afford it, but when I was found in Sutter's Mill, I became very popular. I was mined with a pickaxe and

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    Essay Length: 277 Words / 2 Pages
    Submitted: April 10, 2010 By: Andrew
  • Roids

    Roids

    Have you ever thought of doing serious weight training to give yourself a better muscular build? Have you ever thought steroids would be a helpful tool in doing so? If you have you must know that steroids are a deadly and illegal drug. After reading my paper I hope that the thought of using steroids will leave your mind forever and encourage you to keep others of them. To understand why you should stay off

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    Essay Length: 787 Words / 4 Pages
    Submitted: April 4, 2010 By: Mikki
  • Role of a Chemist in the Haber Process

    Role of a Chemist in the Haber Process

    Almost everything in our world has some of their origins from chemicals, scientists in the chemical industries are always working to find ways to make these chemicals useful to us, they bring improvements into daily use substances like paints, medicines, cosmetics and plastics, so that they are more environmentally sustainable, and efficient. Scientists employed in the chemical industry trained and specialising in chemistry are called chemists. A chemist can gain expertise in a range of

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    Essay Length: 1,132 Words / 5 Pages
    Submitted: December 9, 2009 By: Fatih
  • Role of Communication in Health Care

    Role of Communication in Health Care

    Role of Communication in a Health Care Objective of Communication The aim of communication involves the study and use of communication strategies to inform and influence individual and community decisions that enhance health. The importance of communication in health care is increasingly recognized as a necessary element of efforts to improve personal and public health. Health communication can contribute to all aspects of disease prevention and health promotion and is relevant in a number of

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    Essay Length: 611 Words / 3 Pages
    Submitted: January 1, 2010 By: Janna
  • Role of Organizing in Critical Thinking

    Role of Organizing in Critical Thinking

    Role of Organizing in Critical Thinking Part of growing up is developing reasoning skills, such as logical thought processes and the ability to distinguish multiple types of relationships between concepts. Organizing skills are an important part of the critical thinking course of action. The different factors including, origins of order, nature and mental order, steps in organizing, and using orders are the key components to better develop any process related with critical thinking. In this

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    Essay Length: 657 Words / 3 Pages
    Submitted: December 23, 2009 By: Bred
  • Role of the Human Resource Management Function in the 21st Century

    Role of the Human Resource Management Function in the 21st Century

    Introduction Human Resource Management has evolved considerably over the past century, and experienced a major transformation in form and function primarily within the past two decades. Driven by a number of significant internal and external environmental forces, HRM has progressed from a largely maintenance function, with little if any bottom line impact, to what many scholars and practitioners today regard as the source of sustained competitive advantage for organizations operating in a global economy. The

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    Essay Length: 796 Words / 4 Pages
    Submitted: January 26, 2010 By: Fatih
  • Roles of Computer in the Society

    Roles of Computer in the Society

    At the beginning The Internet began to evolve when packet-switching networks came into operation in the 1960s. When transmitted, data is broken up into small packets, sent to its destination and then reassembled. In this way a single signal can be sent to multiple users. Packets can be compressed for speed and encrypted for security. ARPANET moves it forward Early packet-switching networks were set up in Europe. In 1968, a similar system was developed

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    Essay Length: 670 Words / 3 Pages
    Submitted: December 7, 2009 By: Edward
  • Roller Coasters

    Roller Coasters

    Roller Coaster For many people, there is only one reason to go to an amusement park: the roller coaster. Some people call it the "scream machine," with good reason. The history of this ride reflects a constant search for greater and more death-defying thrills. How does a roller coaster work? What you may not realize as you're cruising down the track at 60 miles an hour is that the coaster has no engine. The car

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    Essay Length: 6,778 Words / 28 Pages
    Submitted: November 14, 2009 By: Vika
  • Room for Error in Secretory Pathways

    Room for Error in Secretory Pathways

    In biological systems, the secretory pathway is a series of steps involved in secretion of a protein from a cell into the extracellular environment. It involves the journey of the protein that is destined to be secreted, from the ribosomes on the rough endoplasmic reticulum to the various compartments of the Golgi apparatus, packaged into a vesicle and finally secreted by exocytosis, via fusion with the plasma membrane. Each step in the pathway has factors

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    Essay Length: 1,919 Words / 8 Pages
    Submitted: January 2, 2010 By: Jessica
  • Root Surface Caries

    Root Surface Caries

    Root Surface Caries Caries can affect any surface of the teeth. The most commonly seen caries are found on the crown of a tooth, above the cemento-enamel junction, it is also possible for caries to form on the root surface, below the cemento-enamel junction. Dental root caries has received a great deal of attention in the past few decades. A variety of different patients are at risk for root surface caries. Dentists use several methods

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    Essay Length: 1,280 Words / 6 Pages
    Submitted: March 28, 2010 By: Kevin
  • Rosocea

    Rosocea

    Rosacea is a skin disease that affects the middle third of the face. It is viewable as redness on the face and nose that normally blush. It is mainly seen on the forehead, the chin and the lower half of the nose. Pimples can occur in Rosacea, in fact pimples in most case are mistaken as acne known as acne rosacea. Rosacea is different from acne. It is mostly found in adults and is most

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    Essay Length: 626 Words / 3 Pages
    Submitted: January 3, 2010 By: Mike
  • Rough Draft Cloning Essay

    Rough Draft Cloning Essay

    Debora Atwater Mrs. Yost English 7 February 20, 2004 Rough Draft Cloning Essay In 1997, scientists in Scotland created Dolly, clone sheep. Many groups of people responded to this by asking if this would lead to human cloning. People have many views and questions on the prospect of cloning humans and other mammals. Some people ask who, in fact, is Dolly. Dolly was the cloned from an adult dorsett ewe in 1997 by Scot Ian

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    Essay Length: 1,766 Words / 8 Pages
    Submitted: November 26, 2009 By: Jessica
  • Roundhouse Kick Analysis

    Roundhouse Kick Analysis

    Anatomical Analysis How does a roundhouse kick work? Tae Kwon Do is a Korean, unarmed martial art and is best known for its kicks (Park, 2001). The roundhouse kick is a turning kick and happens to be the most commonly used kick during competition (Lee, 1996). For this reason, the roundhouse kick will be analyzed in reference to sparring competition. The roundhouse kick, a multiplanar skill, starts with the kicking leg traveling in an arc

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    Essay Length: 1,214 Words / 5 Pages
    Submitted: January 15, 2010 By: Vika
  • Roundworms

    Roundworms

    Nematodes The phylum Nematodes also known as roundworms are one of the most common phyla of animals. There are over 20,000 different species of roundworms. Roundworms can be found in water, and on land. Roundworms have a complete digestive system with two separate openings one for food and one for getting rid of waste. This type of digestive system is very common in complex animal. Nematodes use external and internal pressure and body movement

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    Essay Length: 586 Words / 3 Pages
    Submitted: February 6, 2010 By: Jon
  • Run to the Wild Side

    Run to the Wild Side

    Plants found on plot Goldenrods--about 100 species, all native to this country, most found in the East--generally 2-4 feet high--summer and fall--composite family Queen Anne’s Lace--thrives in cultivated fields and exposed grounds--summer and early fall--parsley family Yarrows--typical roadside weed, growing 1-2 feet high--summer and fall--composite family Thistle--60 species--spiny bracts--flowers in spring and summer--fruit (seed) on plot was spiny and dry--composite family Aster--120-150 species--open fields and roadside--late summer to late fall--composite family Joe-pye weed--2-12 feet, habitat

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    Essay Length: 272 Words / 2 Pages
    Submitted: January 8, 2010 By: Mike
  • Rural Health

    Rural Health

    HSC 3300 – 10 am July 11, 2014 Outline with Summary Team Topic: Rural Health Thesis (central idea): There are many disparities among the rural population that include long term health care access for the elderly, mental health services as well as access to reproductive health services. Illuminating the problems in the growing rural communities will be the first step to creating effective programs in battling this obstacles. Heading 1: Elderly- The elderly population in

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    Essay Length: 1,367 Words / 6 Pages
    Submitted: August 5, 2014 By: cmonica120
  • Russia Geographical Location

    Russia Geographical Location

    Geographical Location Russia is the largest country in the world, with a total area of 17,075,200 sq km it covers more than one eight of the world’s landmass. Russia shares boundaries with the Arctic Ocean on the North; northern Pacific Ocean on the East; China, Mongolia, Kazakhstan, the Caspian Sea, Azerbaijan, Georgia on the South; and the Black Sea, Ukraine, Belarus, Latvia, Estonia, Finland on the West. The country’s total land border is 20,096.5 km

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    Essay Length: 867 Words / 4 Pages
    Submitted: May 26, 2010 By: Mike
  • Rutherford Gold Foil Expirement - Geiger-Marsden Experiment

    Rutherford Gold Foil Expirement - Geiger-Marsden Experiment

    May 4, 2015 Geiger-Marsden Experiment From between the years 1908 and 1913, scientists Hans Geiger and Ernest Marsden changed the way the world looked at the atom. Through careful experimentation under Ernest Rutherford they were able to prove that every atom contains a positively charged nucleus that contains most of the atoms mass. This experiment is known as the Geiger-Marsden experiment or the Gold Foil experiment and is one of the most important experiments in

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    Essay Length: 1,024 Words / 5 Pages
    Submitted: January 10, 2016 By: jsaleman
  • Rwanda and the World

    Rwanda and the World

    Rwanda and the World Remote to the United States and seemingly isolated form all of the world, Rwanda has fallen victim to perhaps one of the grossest atrocities experienced in human history. Rwanda and its civilians have faced multiple inflictions of depravity, hatred, and tragedy yet despite the magnitude of these tribulations, much of the world remains ignorant to the hardships endured by the Rwandan peoples and their continual struggle to restore their broken land.

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    Essay Length: 905 Words / 4 Pages
    Submitted: December 23, 2009 By: Tommy
  • Sage Scrub Lab Report

    Sage Scrub Lab Report

    We visited oak canyon, in which we visited and observed three different communities. The three different communities were costal sage scrubs, oak woodland, and the riparian plant communities. This three communities is located in this area because there is a valley between a north and south facing slope. South, in which sun hits slope directly, which has more heat. and North in which sun hits slope at an angle, which has less heat. We observed

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    Essay Length: 496 Words / 2 Pages
    Submitted: April 19, 2010 By: Monika
  • Sahara Desert

    Sahara Desert

    Sahara Desert The Sahara Desert is the world’s largest desert area. The word Sahara comes from the Arabic word sahra’, meaning desert. It extends from the Africa’s Atlantic Ocean side to the Red Sea and consists of the countries of Morocco, Algeria, Tunisia, Libya, Egypt, Mauritania, Mali, Niger, Chad, and Sudan. It is about 5,200 miles long. Overall, the Sahara Desert covers 3,500,000 square miles. The geography of the desert is varied. In the

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    Essay Length: 1,080 Words / 5 Pages
    Submitted: January 19, 2010 By: Max
  • Salinity in Australia

    Salinity in Australia

    Salinity is a major environmental issue in Australia. Salinity describes the salt content of water or soil. When the salt content rises to an extreme, it degrades the water quality and land efficiency. This is the problem that is being faced in Australia; salt levels are becoming so extreme that is affecting plant and animal survival, thus damaging infrastructure. Dryland salinity is caused when the rising water-table surfaces natural salts in the soil. The salt

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    Essay Length: 1,434 Words / 6 Pages
    Submitted: November 24, 2009 By: regina
  • Salinity in Australia

    Salinity in Australia

    Salinity is a major environmental issue in Australia. Salinity describes the salt content of water or soil. When the salt content rises to an extreme, it degrades the water quality and land efficiency. This is the problem that is being faced in Australia; salt levels are becoming so extreme that is affecting plant and animal survival, thus damaging infrastructure. Dryland salinity is caused when the rising water-table surfaces natural salts in the soil. The salt

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    Essay Length: 1,434 Words / 6 Pages
    Submitted: April 15, 2010 By: Jon
  • Salmon Farming

    Salmon Farming

    Salmon Farming If you recently ordered salmon off the menu of your favorite restaurant, or purchased it from your local grocery store, chances are it was farmed. According to “Salmon of the Americas, an organization of salmon-producing companies in Canada, Chile and the United States, 70 percent of the salmon produced in British Columbia and Washington comes from salmon farms. If it weren’t for these farms, we would not have the luxury and abundance of

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    Essay Length: 1,299 Words / 6 Pages
    Submitted: February 1, 2010 By: Mike
  • Salmonella

    Salmonella

    What does their name mean? There is a great deal of confusion over the naming of Salmonella strains (even the people who work on Salmonella are confused!) but in essence, the strains which we will deal with here are generally different serovars of Salmonella enterica. This means that they all belong to the genus Salmonella, a division that groups similar, though not identical bacteria together. These bacteria are named after the scientist who discovered them,

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    Essay Length: 841 Words / 4 Pages
    Submitted: November 16, 2009 By: Kevin
  • Salmonella

    Salmonella

    Salmonella Salmonella is a prokaryotic, rod shaped, bacterial organism. It is nonsporeforming and Gram-negative.(1) Salmonella is responsible for almost 60 percent of reported cases of bacterial food borne illness and 40 percent of all food borne illness of any kind. Salmonella survives digestion and reproduces in the small intestine, making people sick. Salmonella has hundreds of different types, all of which cause much the same illness in humans. Eating food containing live salmonella bacteria causes

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    Essay Length: 703 Words / 3 Pages
    Submitted: January 18, 2010 By: Steve
  • Salt Concentration in the Solution

    Salt Concentration in the Solution

    My conclusion is that the higher salt concentration in the solution the greater the decrease in mass of the potato will be, the graph I have drawn supports my conclusion. The 10% salt concentration shows that on average the potato loses 2.6% of its overall mass. 20% salt concentration shows a further decrease in mass this time it is an average of 13% overall mass decrease. 30% salt concentration shows an average decrease of 18.8%

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    Essay Length: 364 Words / 2 Pages
    Submitted: January 25, 2010 By: Stenly
  • Salt Water

    Salt Water

    SALT WATER Introduction: Salt water refers to water that contains dissolved salts, known as saline water or seawater, water from oceans or seas. It is a home to varieties of aquatic animals, for example, fishes and snails. Some of these animals find it difficult to live in fresh water. If salt water animals go to live in fresh water they can not adapt the environment led to die to them. This essay aims to discuss

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    Essay Length: 631 Words / 3 Pages
    Submitted: November 29, 2009 By: Jessica
  • Samsung Electronics - New Management Initiative

    Samsung Electronics - New Management Initiative

    This might be the first book about Samsung Electronics written and published in English. - A little more than a decade ago, Samsung launched its New Management Initiative, with the ultimate goal of becoming the world’s leading corporation. Since then, the Korean company has worked hard to refine its focus and alter its business strategies. And today, Samsung finally takes its place among the top-tier global corporations, ranking among the very best in sales and

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    Essay Length: 636 Words / 3 Pages
    Submitted: November 21, 2009 By: Tasha
  • Samsung Vs Apple

    Samsung Vs Apple

    Samsung vs Apple Samsung Electronics and Apple, Inc., two of the largest technology firms in today’s world, provides a new paradigm on how vertically integrated firms today operate. In the fourth quarter of 2014, Apple and Samsung together raised their worldwide smartphone market share to 52 percent from 46.4 percent in the third quarter of 2014. Samsung ended the year in the No. 1 position, in both worldwide smartphone sales and overall mobile phone sales.

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    Essay Length: 1,032 Words / 5 Pages
    Submitted: April 8, 2015 By: Mursal Hakim
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