MATALLIC MENIRALS ROLL NO: 07 Metallic Minerals On an auspicious day‚ sometime around a million years ago‚ a member of the Homo habilis species stood erect and walked steadily on his two feet and his two hands became totally free. A new species – Homo erectus—began its journey on a new evolutionary track. This great change took around four million years after his ancestors – the hominids — broke free from the lineage of apes and chimpanzees. But ‚ perhaps for the next seven to eight hundred
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The two societies that are to be discussed are Modern Britain and the Old Order Amish. Family is a value that is shared by both the Amish and Modern Britain. Each values the word‚ family‚ in different ways. The Amish have a strong belief that family is sacred. Amish take their wedding vows seriously. Divorce is not sanctioned in the Amish church‚ though may occur in rare cases. Divorce is seen as reason for excommunication. Separations‚ however‚ do occasionally occur among Amish. Within
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Explain the difference between parliamentary and presidential forms of government. What is the advantage of each? Discuss My essay today will be focusing on the differences between the parliamentary and presidential forms of government. I will be looking at the characteristics of each. I will also be looking at the key differences between the two government systems and lastly the advantages of each system. Characteristics of a Parliamentary Government There are certain factors that are common
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Kirat Hundle 1. What is the difference between an element and a compound? An element is an isotope made of the number of neutrons it has. A compound is a substance made of two or more different elements (a mixture). 2. What is the periodic table? A periodic table is where the chemical elements are organized based on their atomic number (number of protons in the nucleus)‚ electron arrangement‚ and chemical properties. 3. Give two examples of each of the four major mineral groups (silicates‚ carbonates
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(Provide examples from the text). In the first sentence in chapter 3‚ Holden tells the reader‚ “I’m the most terrific liar you ever saw in your life.” How does this connect to his character? How does Holden Caulfield’s name encompass his personality? What kind of reading does Holden like? What authors and types of stories do you enjoy? What is Holden’s criterion for a good book? Does Catcher in the Rye meet this criterion for you? Tell us about the topic you are choosing for the third paper and
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Activity 1.1 Minerals: Building Blocks of Rock 1. In your own words‚ list the 5 characteristics an Earth material must have in order to be considered a mineral. a. ______________________________ b. ______________________________ c. ______________________________ d. ______________________________ e. ______________________________ 2. Check the appropriate boxes to show which of the following items are minerals or not minerals. If not a mineral‚ explain why it is not. MINERAL? YES NO EXPLANATIONS
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METALLIC BONDINGThis page introduces the bonding in metals. It explains how the metallic bond arises and why its strength varies from metal to metal.What is a metallic bond?Metallic bonding in sodiumMetals tend to have high melting points and boiling points suggesting strong bonds between the atoms. Even a metal like sodium (melting point 97.8°C) melts at a considerably higher temperature than the element (neon) which precedes it in the Periodic Table.Sodium has the electronic structure 1s22s22p63s1
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The differences between two cultures There are so many countries in the world. As my grandmother taught me that each country has its own tradition and culture for example Japanese has kimono for its special festival‚ Kungfu is significant symbol of China or Pizza and Spaghetti are the characteristic food of Italia. Therefore when I came to America‚ I decided to search everything about this country. Then after 5 months in there‚ I found that Vietnam and The USA are very different from living style
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There is no universal category of Childhood. Discuss. To have a universal category of Childhood‚ all first hand and second hand experiences of Childhood must be the same to a certain degree. The term “universal” demands that all definitions and takes on the term must be the same without any equivocation. The interest in the concept of Childhood in terms of Sociology has increased massively since the 1980’s (Mayall 2002‚ James et al. 1998‚ Prout 2000‚ Lee 2001). Many Sociologists have analysed Childhood
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MINERALS * Minerals - Naturally occurring * Inorganic * Solid substance * Definite chemical composition * Minerals have an ordered atomic arrangement HOW MINERALS FORMED? * Crystallization from magma * Precipitation * Pressure and Temperature * Hydrothermal Solutions PROPERTIES OF A MINERAL * Color - small amounts of different elements can give the same mineral different colors. * Hardness - is a measure of the resistance of a mineral to being
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