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The Environmentalist Passbook(R) prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to; collection, analysis, and interpretation of data; preparing written material; elementary principles of biology, chemistry and general science; and more.

National Learning Corporation has been a leading publisher of test-preparation Passbooks(R) for more than 50 years, with 6,000 titles available across 22 series. The Career Examination Series features thousands of titles designed to prepare test candidates for their upcoming civil-service job exam. Each book in the Career Series offers practice through multiple-choice questions and answers in relevant subject areas, as well as informative texts to aid in understanding the study material.