Consider the following minerals: Calcium Iron Sodium Which of the minerals given above is/are required by human body for the contraction of muscles ?
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Indian Polity by M. Laxmikanth for UPSC Preparation
Indian Polity by M. Laxmikanth is one of the most popular ad comprehensive books to study for the civil service examination. Polity is an eminent and important segment of the General Studies in the civil service exam, which includes topics ...