layer‚ liquid‚ gas‚ and paper‚ but for this lab paper chromatography will be used. Who invented chromatography? A Russian botanist named Mikhail Semyonovich Tsvet invented chromatography in 1901 while doing research on plant pigments. Why is chromatography so important? This is because over 60% of all chemical analysis is done with one of the four types of chromatography. Police also use it to test cocaine in urine‚ alcohol in blood‚ and lead in water. Other uses for chromatography include to determine
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Safeguarding guidelines are vital because for children in risk every day matters‚ both the safeguarding agenda and academic research underline the damage that delayed intervention can cause and reinforce the importance of the joint working of professionals and institutions (DfE‚ 2013 and Broadhurst and Grover‚ 2009). For children‚ the areas in which they feel the need for more support are: in the provision of security‚ sense of belonging and trust and self-development (McAuley and David‚ 2009).
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Why are dogs important? In my life‚ dogs are a huge part. I have always had a dog or two growing up. I can’t imagine not having a dog. If you are a cat person or bird person or something‚ you probably think dogs are just a loud‚ messy animal that runs around and ruins your house‚ but they are so much more than that. Dogs can help you through the toughest things in life. They will always be there for you after something stressful. They are like having a therapist but 100 times better. Not only do
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Baseball Why should anyone ever play baseball? It just seems like those who devote their lives to the game can never win. I’m in high school‚ and even I have to get up every weekend to go to the baseball fields‚ sometimes even as early as 7:30 A.M. Imagine my disappointment‚ after I drag myself out of bed at the crack of dawn on a non-school day‚ just to lose to the opposing team and go back home. But here’s the thing: gambling with my only day off; that is‚ risking I’ll feel that
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It’s important to know our history and what happened during that time. The significance/impact/benefit it would have on me and my community today would be for kids‚ teens‚ and adults today to know the importance of segregation and the leaders that fought for freedom
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to a mounted and armoured soldier. What were knights used for? Knights were used mainly for defence. They would defend their village when there was an invasion. They may also be sent off to war or take over another village. Why were knights important? Knights were important because without knights‚ the village would be defenceless. The village would need knights to defend the village and
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Honor is a very important thing to have in order to be successful in all aspects of life. The great German-American writer H.L. Mencken once said‚ “Honor is simply the morality of superior men” (Brainyquote). Honor is something that every person should strive to have‚ as very few people have it. Honor has been around for a very long time. If one has honor‚ he is very valuable because he can be trusted with everything he does. Honor is the quality that allows one to be respected by their peers
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been preserved through thousands of years because of it being deeply buried in volcanic ashes. Herculaneum is important because it has information on ancient Roman civilization. The fact that is has been preserved for centuries under layers of hardened lava and stone makes it one of very few historical places which have been captured as they were at that point in time. It is important because they show us how people lived at that time‚ the remains of the city provides good evidence of the way their
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The moment that I realized how important literacy was when I was able to understand how to relate literature to my own life and make real-life connections in my literature classes. Literacy is far more than just reading and writing‚ it involves you to use critical thinking and it test the understanding you have of making connections. Literacy involves using important fundamental principles to comprehend things. Reading and writing plays an important role in our lives because we are constantly using
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Pfizenmaier‚ Marcy Hammel‚ Alex Benson The Ancient Chinese made many important inventions. One of the important inventions is Chinese paper. Another great invention is movable-type printing. Gunpowder is another great invention that we still use today. Nobody will ever lose their directions with the invention of the Chinese compass. The Ancient Chinese also made porcelain and steel smelting. Chinese silk is used for clothing and is very important. The Ancient Chinese invented many great inventions for their
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