This is not only to test their knowledge and command over the subject but also to test their grammar and language skills. This is the reason the students are required to go with this task in a very patient way. They have to be very particular about the information that they are using for the essay while following a proper format for this task. At the same time, they need to be vigilant about the command on the language. Thus, a lot of focus and perseverance is required. Not all students are able to handle such level of task and as such need help from the professionals who are readily available these days to offer their specialized help to the students.
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