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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Terrestrial radiation is maximum in -
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The correct answer is  Park's textbook of preventive and social medicine 23rd edition. *Terrestrial radiation: Radioactive elements such as thorium, uranium radium and an isotope of potassium are present in man's environment eg: soil, rocks, buildings. Areas exist eg: kerala in india where there are rock formations containing uranium.