Melting Ice Caps The Arctic is global warming’s canary in the coal mine. It is a highly sensitive area which is profoundly affected by the changing climate. The average temperature in the Arctic is rising twice as fast as elsewhere in the world (nrdc.org). Because of this‚ the ice cap is getting thinner‚ melting away‚ and rupturing. Here is an example of this; the largest ice block in the Arctic‚ the Ward Hunt Ice Shelf‚ had been around for 3000 years before it started cracking in 2000 (nrdc
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Organic chemistry 201 | Mixed Melting Points | Determination of an Unknown Solid | | [Type the author name] | 9/15/2011 | Purpose : The main purpose of this experiment was to identify an unknown compound/substance by performing multiple experimental melting point tests. Pure and impure solids were tested to see what affect pureness/impureness had on a melting point. Background: The melting point of a solid can be used to determine the purity of the solid. Pure samples usually have
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Turkish Carrot Yogurt Salad Makes 3 servings Ingredients: • 3 medium carrots‚ peeled • 1 garlic clove‚ chopped • 2 tsp fresh lemon juice • 2 tsp extra virgin olive oil • 2 ½ Tbsp plain yogurt • ½ tsp sea salt How to Prepare: 1. Boil water in a pot over high flame‚ then blanch the carrots for 5 minutes. Immediately remove and place in a colander. Rinse under cold running water. 2. Grate the carrots using a large-hole grater. Collect into a bowl and set aside. 3. Crush the garlic and salt in a small
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Freezing and Melting of Water. 10/24 Richard Landolfi Due Date:11/1 Purpose the purpose of this lab is to determine the freezing and melting temperature of water. Freezing temperature‚ the temperature at which a substance turns from a liquid to a solid‚ and melting temperature‚ the temperature at which a substance turns from a solid to a liquid. Hypothesis If the water is at a low temperature then it will freeze
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Recrystallization and Melting Point of Benzoic Acid Organic Chemistry 1 10/4/12 Abstract Recrystallization was done to remove impurities from the sample. The percent recovery of benzoic acid during recrystallization is 23.02%. The difference between the pure and impure samples was observed by comparison of melting points. It was found that impure sample had a lower and wider melting point range of 120.1-122.2 (C). The pure sample melting point range was 121.3-122.5 (C). These ranges helped determine
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i did not create this Name Class Date Extra Practice Chapter 3 Lesson 3-1 Solve each system by graphing. 1. e y 5 2x 1 1 y 5 4x 2 5 y 2. e x1y52 y 5 2x 2 1 3. e y 5 22x 1 4 y 5 22x 1 3 y (3‚ 7) 2 6 (– 1 ‚ 3 2 ) 33 (1‚ 1) 5 y x 4 O 2 2 1 -2 O –3 x 1 x 2 4. e 4 3x 2 4y 5 13 2x 1 2y 5 15 6 5. e 2x 5 y 2 7 4x 2 2y 5 14 6. e y y 8 6 2 2 -2 4x (3‚ -1) -6 O y
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The problem of the ice melting The melting of polar ice is primarily caused by the increasing amount of gas emissions‚ mainly CO2 rising into the atmosphere (global warming) Global warming is the rise in the average temperature of Earth ’s atmosphere and oceans. Since the early 20th century‚ Earth ’s mean surface temperature has increased by about 0.8 °C. Scientists are more than 90% sure that it is caused by rising amount of concentrations of greenhouse gases‚ which are produced by human activities
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8. a) The melting of the ice sheet in greenland may bring opportunities for people and communities rather than a negative threat. One advantage of of the melting ice sheet may be that it brings in a better income for people. Melting ice sheets means that more land is being uncovered exposing expensive rocks and riches such as zinc and lead. The reveal of land and rock means that people and communities are able to mine this will give people a better income and lifestyle. Mining can be done in all
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girl went into the forest to look for mushrooms for dinner‚ and met an old woman who gave her a little cooking pot. The old woman told the girl that it was a magic pot that would cook porridge whenever it heard the words ’cook‚ little pot’. When there was enough porridge in the pot‚ the words ’enough‚ little pot’ would make the pot stop cooking porridge. The little girl took the magic pot home. She and her mother were no longer hungry because they ate porridge as often as they wished. One day
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The policies pursued by Pol Pot were done in order to maintain ideological purity‚ absolute control‚ and party security. So‚ did philosophers like Fanon and Marx have an undermining influence on the morals of elitists in the political realm? In response to the extreme process of purification from anything “other”‚ Fanon stated that‚ “violence is a cleansing force. It frees the native from his inferiority complex and from his despair and inaction; it makes him fearless and restores his self-respect”
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