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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Although it is often overlooked‚ proofreading is very important. When a person reads a document that has spelling and grammatical errors in it‚ they can find it difficult to take the writer seriously. This is a problem especially if the person is a potential client or customer. Many people tend to depend on their grammar checkers and spellcheckers on their word processor‚ but these often do a poor job and are certainly no substitute for a professional proofreading service‚ which makes sure that
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~ THE RESPONSABILITIES OF A DENTAL ASSISTANT~ This will inform you of the responsible duties of the Dental Assistant (DA). It is estimated that careers in Dental Assisting are expected to grow by 31% between the years 2010 to 2013. Due to ongoing and current technology‚ oral and general health will continue to increase the demand for preventative dental services. A dental assistant is a oral health care professional trained to provide supportive procedures and services to the dentist
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Writing is a form of communication and people write on a daily basis whether it is for something basic or more complex. We need to know how to write simple yet very important things such as our name or the date. Being a student there is not a day that goes by that I am not writing or typing my name and the date on papers or assignments. Over the past few years there has been a significant increase in the use of technology. People text message‚ email‚ and use social networking websites on a daily
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WRITING TASK 1 What makes your workplace work well and what stops it working even better (500 words) Nowadays‚ we live in an extremely large and intricate world which is mainly characterized by a wide variety of continuous and unpredictable changes. With that‚ there are factors that would affects work in every way‚ either advantages and disadvantages to people and workplace. No one can deny that whenever a person look for a job‚ whatever work it is‚ they think of what the future holds for
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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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Triggering‚ something that is a part of present-day society. Many people are prone to having a trigger in many topics whether it is family‚ politics‚ religions‚ relationships‚ personal experiences‚ etc. Even though some people are triggered much more accessible than others‚ everyone has at least one sensitive trigger. If a person says something unintentionally‚ triggering can still occur because it causes someone to become very uncomfortable. Therefore‚ trigger warnings should be needed in all cases
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