TOPIC 2 Metals The History of Metals * Uses of metals through history: * Copper Age (3200-2300 BCE) – copper and tin were most common metals‚ and were used for ornaments‚ weapons and tools. * Bronze Age (2300-700 BCE) – copper‚ tin and bronze were used for tools‚ weapons and transport. They produced bronze by heating copper and tin with charcoal. * Iron Age (1000 BCE – 1 CE) – iron steel and lead was used for tools‚ weapons and pipes. Iron is much harder than bronze.
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Amphioctopus marginatus also known as the Coconut Octopus is related evolutionary to many other organisms. For one‚ it is a under the Phylum Mollusca‚ the same phylum as snails‚ squid‚ clams‚ scallops‚ and oysters. Cephalopoda‚ the class of this octopus is what seems to so have the most similar familiarities in animals. The class of this animal is characterized by having bilateral body symmetry‚ a large head‚ and a set of tentacles that was evolution from the molluscan foot. Squid and cuttlefish is
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Study On CARBON CREDIT & Clean Development Mechanism Project – as a case study on TATA STEEL PLANT By: Prasenjit Sarkar Page 1 of 36 Project Report (Submitted for the Degree of B.Com Honors in Accounting & Finance under the University of Calcutta) Title of the Project STUDY ON CARBON CREDIT &CLEAN DEVELOPMENT MECHANISM PROJECT – AS A CASE STUDY ON TATA STEEL plant Submitted by Name of the Candidate: Registration No: Name of the College: College Roll No: University Roll
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Benefits from using the Internet What is the Internet? The Internet is the mechanism or matrix that connects networks around the world to each other and is generally referred to as the World Wide Web. Since the conception of the Internet‚ those who are not afraid to learn or try something new have benefited greatly in many ways. Businesses as well as individuals reap the benefits from using the Internet on a daily basis. Since the invention of IP‚ or in other words‚ Internet Protocol (Microsoft)
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Carbon is the fourth most abundant element found on Earth‚ and is essential to all life as we know it. It is found in all living substances‚ and is essentially the key element for life. Because the carbon atom has the ability to form bonds with up to four other atoms‚ it can help form solid minerals (such “ limestone)‚ ‘squishy’ organisms (such as plants and animals)‚ and it can be dissolved in water. Carbon is also present in rocks‚ dissolved in rivers‚ lakes and oceans‚ and is in the atmosphere
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Tony Nguyen Honors Chemistry Period 7 9/17/13 The Density of Metals Lab BACKROUND: Density is a constant relationship between the mass and volume of a specific type of matter. Measurements of both mass and volume can be obtained for a metal sample. The relationship can be shown graphically by plotting the volume of a sample on the horizontal x-axis and the mass of the sample along the vertical y-axis. Plotting the values for several samples‚ a linear relationship can be seen for a density (slope=density)
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Robin Wright American History 131-I3 April 1‚ 2013 The Cherokee Removal Long before the United States existed‚ the Cherokee people lived in the valleys of the rivers that drained the southern Appalachians. Within their villages the Cherokees built their towns‚ cleared their fields‚ planted their crops‚ and buried their dead. They also claimed a larger domain of land that extended into what is now known as Kentucky and Virginia. (Perdue and Green‚ pg.1) On these lands the Cherokee men would
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1. Explain how the respiratory and circulatory systems coordinate the supply and transport of oxygen to the cells and removal of carbon dioxide from the blood. (10 Marks) Paragraph 1: What happens in the respiratory system? Respiratory System: Coordinating the Supply and transport of Oxygen * Oxygen is inhaled through the nose or mouth * Travels down through the Pharynx * Travels down the Larynx * Reaches the lungs and goes through the Bronchi * Through the Bronchioles
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Name: Online Lab: Carbon Transfer Through Snails and Elodea Record answers in blue‚ bold font Go to http://www.classzone.com/cz/books/bio_07/resources/htmls/virtual_labs/virtualLabs.html (If the link does not work‚ go to http://www.classzone.com/cz/index.htm Enter Science‚ High School; NC; Go Click Biology 2008 (book on left) Click Virtual Labs (left side 2nd row)...continue with directions below) Click on Carbon Transfer Through Snails and Elodea. Read through the directions
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Planning &Maintenance Department Standard Operating Procedure of kiln shell replacement The kiln shell replacement process can be broken down into the following steps: Layout‚ removal‚ installation‚ alignment and welding. 1) Shell layout The layout of the kiln shell to be removed is a critical step as it determines:1) Amount of shell to come out‚ 2) In what sequence and in what sizes. 3) crane capacity 4) Shell section weights and lengths‚ 5) cribbing locations 6) Section staging is taken into
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