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    How much do you know about Illustrious Women of Science?

    Which American geologist and oceanographer was the first person to completely map the ocean floor, revealing the mid-ocean ridge?

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    Sylvia Earle
    Marie TharpCorrect
    Eugenie Clark
    Joan Feynman

    Marie Tharp (1920-2006) co-created the first detailed bathymetric map of the ocean floor, crucial to the theory of plate tectonics.

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