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Just remember , the more students we teach each spring , the fewer we will have to place in courses during the " crunch period " of August and September and the less pressure there will be to teach crash courses for students who have waited until the last minute . Studies is designed to lead students to that awareness through a series of courses focused on environmental systems and issues , while ensuring that each student pursues a purposeful course of study in some traditionally defined area of scholarship . Students who miss more than 24 questions or who fail a second time may be offered a retest or be required to retake the course , at the instructor 's discretion . The funds collected by the federal government were made available to states solely for habitat restoration and rehabilitation , including the acquisition of land by purchase , lease or gift .