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    Question

    Distances to the observed neutral hydrogen atoms must be __________ on the basis of measured velocities used in conjunction with a rotation curve for the Galaxy, which can be built up from measurements made at different galactic longitudes.

    A Estimated Correct Answer Incorrect Answer
    B Enervated Correct Answer Incorrect Answer
    C Intimated Correct Answer Incorrect Answer
    D Intimidated Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    The sentence talks about distance to be assumed on the basis of a certain unit. Hence the word ‘estimated’ fits the sentence where it means to assume a numerical value based on present knowledge or factors.

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