Question

    Select the option that can be used as a one-word substitute for the bold group of words

    She told me that she knows someone who studies the stars and planets.

    A Chemist Correct Answer Incorrect Answer
    B Astronomer Correct Answer Incorrect Answer
    C Geologist Correct Answer Incorrect Answer
    D Biologist Correct Answer Incorrect Answer

    Solution

    "Astronomer" is the correct one-word substitute as it refers to a person who studies celestial bodies such as stars and planets. (1) Chemist: A chemist studies chemicals and their reactions, which does not relate to the study of stars and planets. (3) Geologist: A geologist studies the Earth and its processes, including rocks and minerals, not celestial objects. (4) Biologist: A biologist studies living organisms and their interactions with the environment, not celestial bodies.

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