Scientific Expeditions | MCQs

    Q1: Who was the first to measure the earth's radius?

    زمین کے رداس کی پیمائش کرنے والا پہلا شخص کون تھا؟
    • A. Al-Beruni
    • B. Copernicus
    • C. Eratosthenes
    • D. None of these
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