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Although students have very different backgrounds , ranging from very little knowledge on nature management to being very knowledgeable , all students are able to reach the objectives of the case study . Those students who participate in the class were asked to fill in partial questionnaire , without looking to their course material . These methods pose an access problem or an enrollment problem to newly established programs at all levels . In reading about him , one encounters the labels " aloof " and " arrogant " applied to him at a number of turns , certainly often enough to conclude that no matter who John Kerry really is , a great many people see him as possessing those attributes . The paper elaborates on the requirements and options for each of these tasks .