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Free research papers and essays on topics related to: mineral

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  • A Letter From Saudi Arabia - 1,402 words
    ... and an Arabic Muslim. When I say diversity, I basically mean the traditions, the way of practicing religion. I have come to realize the fact that Islam is practiced differently in all the different parts of the world, and the way I practiced it when I was in the US, is certainly quite different from what I have seen and practiced here. Then there are so many customs which actually have their root in the beliefs of Islam, which I was totally unaware of. For example everybody removes their shoes at the doorstep before entering the house, even when you are invited to someones home. Umar told me that it is a tradition that has been carried out for centuries now10. Speaking of traditions, in ...
    Related: arabia, saudi, saudi arabia, labor force, american dollar
  • Abstract On Rose Diseases - 2,112 words
    ... by 1970, most of the garden roses in the United States were infected. Since then, heat therapy programs have been initiated at the Oregon State University and the University of California at Davis, as well as by Bear Creek (parent company of Jackson & Perkins Roses and Armstrong Roses). The Oregon State program is now nearly defunct. Some commercial rose nurseries have made use of those programs and now offer virus-free plants for sale. However, many nurseries have not made any attempt to provide healthy plants, and a large percentage of the roses grown and sold in Florida are infected. Florida nurseries using Fortuniana as a rootstock are at a particular disadvantage, since scion-source ...
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  • Aging Theories - 1,767 words
    ... ter a certain number of divisions, the clock genes are triggered and may produce proteins responsible for cell destruction (Keeton, 1992, 50). Cellular Aging In 1961, a discovery made by Leonard Hayflick showed that normal, diploid cells from such continually Areplaced@ parts of the body as skin, lungs, and bone marrow, divide a limited number of times. Although the cells stop dividing at the point just before DNA synthesis, they do not die. The longer-lived the species, the more divisions the cells undergo. As the age of an individual increases, the number of potential divisions decreases (Ricklefs and Finch, 1995, 29). This discovery was found using fibroblasts, or cells found in the c ...
    Related: aging, aging process, bone fracture, concise encyclopedia, testosterone
  • Air Pollution Report - 1,230 words
    Air Pollution Report Air pollution is a major problem facing our environment today. This dilemma is harmful to every single living creature on this planet. How can we limit the causes of air pollution? There are industrial as well as residential causes of air pollution. How can we limit the effects of air pollution? We all know it affects the environment, but do we all know it also can affect us directly? How can we control air pollution? Is the government doing its job to protect us? Air pollution can be defined as impureness of the air. Air pollution is all around us. It might not be as clearly visible in some areas as others but the fact is that air pollution is still there affecting us i ...
    Related: air pollution, industrial pollution, pollution, mass destruction, york city
  • Alchemy - 640 words
    Alchemy Alchemy is not just the changing of base metals into gold as most people think, although that was one of the goals people tried to achieve through alchemy. Alchemy is stemmed from astrology; both make attempts to understand mans relationship to the universe and exploit it. While astrology is concerned with the stars alchemy is concerned with the elements of nature. Alchemy also stemmed partly from metallurgy, a science that deals with the extracting of metals form ore and the combining of metals to make alloys. Today's modern chemistry evolved from alchemy using the extended knowledge of substances and how they react with each other. There were several goals that alchemist tried to a ...
    Related: alchemy, modern chemistry, decrease, selfish
  • Ancient Egyptian Medicine - 1,065 words
    ... le from the Fourth Dynasty that indicates that there was an attempt to drill a hole in one of the teeth. Possibly the first prosthesis was found in 1929 in Giza where two teeth were found with gold wire fixed to the teeth. Also they have found several mummies with artificial teeth. The study of several mummies indicates poor teeth condition. This can be attributed to the lack of nutrition, mostly lower class citizens. In the Papyrus Ebers, they found parts of a dental monograph titled "The Beginning of Remedies for Stronger Teeth." Carious teeth were treated with a mixture of ocher, flour, spelt, and honey. Fillings were made out of a combination of malachite and resin. The Ancient Egypt ...
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  • Animal Rights - 1,119 words
    Animal Rights It is possible to commit an immoral act against a non-human animals. In order to commit an immoral act against a non-human animal, one must define the word morality. According to the definition it means conformity to the rules of right conduct,. On the other hand immorality means wickedness or evil (random house dictionary). So in reflection a wicked or an evil act against an animal is an immoral act also. I believe that it is possible to commit an immoral act against an animal because they are creatures just like us. They feel pain and emotions just like us humans. When someone violates our rights, we get hurt which often results in some kind of action. But animals are helples ...
    Related: animal experimentation, animal rights, animal science, human beings, human behavior
  • Arsenic - 401 words
    Arsenic Element Arsenic may appear to be a poisonous element. This is because it is used as a poison for murder both in real life cases and in made up books. But there are a lot of chemical uses for arsenic such as it being a specimen. Arsenic is also known arsenic in French, Arsen in German, arsenico in Italian and arsenico in Spanish. The atomic number of the element arsenic is 33. The atomic weight is 74.92160(2). Its symbol on the periodic table is As and its electronic configuration is [Ar].3d10.4s2.4p3. Arsenic occurs in two solid modifications: yellow, and gray or metallic. Its color is tin- white which tarnishes to dark gray or black. Its luster is metallic but the tarnish will dull ...
    Related: arsenic, ancient times, periodic table, atomic weight, periodic
  • Arthritis - 1,350 words
    Arthritis Arthritis As we grow older our bodies begin to degenerate, and stop working. There are many different kinds of diseases that we are subject to as we age, cancers, heart disease, Alzheimers disease, arthritis, and many others. All have a negative affect on our lives, making it difficult to function. Arthritis is the second leading chronic disease in the United States. Arthritis occurs when the body incorrectly identifies its own tissue as foreign matter and attacks it. Arthritis includes a set of more than eighty autoimmune diseases. Arthritis attacks connective tissues and joints. It causes stiffness, pain, inflammation, and swelling of the joints. Some kinds are crippling, but rar ...
    Related: arthritis, rheumatoid arthritis, adult life, side effects, aunt
  • Asia - 1,713 words
    Asia Asia Asia, largest of the earth's seven continents. With outlying islands, it covers an estimated 44,936,000 sq km (17,350,000 sq mi), or about one-third of the world's total land area. Asia has more than 3.2 billion inhabitants. Its peoples account for three-fifths of the world's population. Lying almost entirely in the northern hemisphere, Asia is bounded by the Arctic, Pacific, and Indian oceans. The conventional boundary between Europe and Asia is drawn at the Ural Mountains in Russia. Asia and Africa are separated by the Red Sea. Asia is divided for convenience into five major realms: the areas of the former Union of Soviet Socialist Republics (USSR); East Asia, including China, Mo ...
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  • Australia - 427 words
    Australia Australia is an island continent and is located southeast of Asia. Australia is the smallest continent in the world. Australia is made up of six states . The climate in Australia varies greatly: a hot season, wet season with rains falling mainly in February and March. During which north western has warm and dry season. Australians mineral resources are notably bauxite, coal, gold, iron, ore, and petroleum. The most popular and native mammals in Australia are marsupials. The best known marsupials in Australia is a kangaroo which include fifty species. In Australia forty-three percent of surface consists of desert and sandy plains. Most of the population of Australia is of European d ...
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  • Australia And Apec - 1,202 words
    Australia And Apec Economics assignment: APEC When the Asian-Pacific Economic Cooperation (APEC) was established in 1989 in response to the growing interdependence among Asia-Pacific economies, its goal was to advance Asia-Pacific economic dynamism and sense of community. When the cooperation was established, there were 12 founding member economies, namely Australia, Brunei Darussalam, Canada, Indonesia, Japan, Republic of Korea, Malaysia, New Zealand, Republic of the Philippines, Singapore, Thailand and the United States. Since then there has been more countries/economies joining APEC. APEC has come a long way since 1989. It has built steadily on the efforts of the past and looks forward to ...
    Related: apec, australia, national product, economic growth, taipei
  • Bansonyi - 1,021 words
    Bansonyi Art can be used to study the progression of a civilization through time. Art is usually used to express ones beliefs religiously, politically, and sometimes as a source of communication, which is accomplished through imagery. Symbols in works of art can be related to nature and myths.1 From the beginning of Chinese history, art and philosophy worked hand-in-hand with the creation of a work of art. Chinese art was used as evidence of a persons behavior and attitude towards nature and other beings (e.g. the nicer the painting the better the person.)2 During the seventh and eighth centuries Chinese art was at its peak. China at this time was under the jurisdiction of the Tang Dynasty. ...
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  • Biology And Human Evolution - 1,381 words
    Biology And Human Evolution Human Biology and Evolution Humans are Alive The earliest human life form can be traced back more than 3.5 billion years ago. Humans are said to be descendants of a single celled ancestor. Although they are different in size and shape all basic functions are alike. The more complex the organization of the cell became the more successful and developed it became. As these single celled organisms developed they became known as pre-humans. We share many characteristics with these pre-humans. Some of these characteristics include the masters of heredity DNA and RNA as well as proteins composed of amino acids, membranes or bound cells and lastly controlled cell division ...
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  • Biotin - 873 words
    Biotin Biotin is important for healthy hair and skin. 100 mg of biotin may prevent hair loss in some men. Biotin helps to relieve muscle pain. It promotes healthy nerve tissue, bone marrow and sweat glands. It also relieves seborrheic dermatitis in infants. Biotin works with folic acid and vitamin B12 to break down fats, protein, and carbohydrates. Biotin is found in most foods and also manufactured by bacteria in the intestinal tract. Most biotin deficiencies are associated with the consumption of raw egg whites which contain avidin. Avidin binds with biotin to prevent its absorption into the blood. Cooking the egg whites deactivates avidin. Biotin is non-toxic and probably not required in ...
    Related: information age, amino acids, side effects, marrow, fashion
  • Birth Of Communication - 2,382 words
    Birth Of Communication Outline I. It is important to reflect one's own national and cultural identity to understand what is different among people of different nations. History teaches us that culture always changes because of internal or external influences, even our own cultures and values change over time. Our world today is a world in which people from different nations and cultures are getting closer and closer because of economical and political reasons. Because cultures are becoming closer, communication is the most important quality for anyone to work on if they want to work in the international society. The history of communication and the relationships that were formed in the early ...
    Related: communication technology, cross-cultural communication, cultural communication, intercultural communication, international communication
  • Bolivia Research Paper - 923 words
    Bolivia Research Paper Outline Bolivia Introduction: I. The History of Bolivia A. Independence 1. Revolution B. Political Instability 1. The Regime of Paz Estenssoro 2. Rule by the Army II. The Economy A. Resources 1. Mining, Manufacture, and Trade 2. Agriculture, Fishing, and Forestry B. Strengths and Weaknesses 1. Currency and Banking 2. Labor III. The Culture A. Location 1. Terrain 2. Climate B. Cocaine 1. Effects 2. War on Drugs Bolivia In this report I will give a brief overview of the history, economy and culture of Bolivia. Bolivia was one of the first countries in the Spanish Empire to attempt a break from Spain, but it was one of the last to succeed. The Spanish suppressed the first ...
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  • Bones - 233 words
    Bones Many people believed that the bone is static and inert, but this idea is incorrect, the organic and mineral components of the bone matrix are continually being recycled and renewed through a process called remodeling. This process goes under way throughout life, as part of normal bone maintenance. Bone remodeling plays a key factor between the activities of osteocytes, osteoblasts, and osteoclasts. In the adult stage, osteocytes are continually removing and replacing the surrounding calcium salts. But osteoclasts and osteoblasts also remain active, even after the epiphyseal plates have closed. For the most part their activities have a balance. As one osteon forms through the activity o ...
    Related: young adult, stresses, turnover, exercise
  • Calcium Element - 228 words
    Calcium Element Calcium Element symbol...CA Atomic weight...40.08 Element number...20 Number of protons...20 Number of electrons...20 Number of neutrons...20 Density at...68? F Boiling point...2,264?F Melting point...1,562?F Calcium was discovered by Sir Humphrey Davis in 1808. Calcium is a mineral found in abundance in the Earths outer crust. It is the fifth most abundant mineral in the Earth crust. Calcium is considered a major mineral because it is found in large quantity in the body. Milk also has a high amount of calcium and it is the best way to get calcium. Daily dietary requirements exceed over 100 mg. Calcium forms and maintains teeth, it helps with blood clotting, it helps build ce ...
    Related: calcium, boiling point, atomic weight, melting point, davis
  • Calcium In Diet - 513 words
    Calcium In Diet Many people choose to avoid milk and other dairy products because they contain fat, cholesterol, allergenic proteins, lactose, and frequently traces of contamination. Milk is also linked to juvenile-onset diabetes, and other serious conditions. Happily, there are plenty of other, safer and more reliable sources of calcium. Keeping your bones strong depends more on preventing the loss of calcium from your body than on boosting your calcium intake. Some cultures consume no dairy products and typically ingest only 175 to 475 milligrams of calcium per day. However, these people generally have low rates of osteoporosis. Many scientists believe that exercise and other factors have ...
    Related: calcium, diet, active life, dairy products, mineral
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