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UPSC Geography Interior of the Earth / पृथ्वी का आंतरिक भाग Question Bank Environment and Landforms - I

  • question_answer
    The approximate age of the Earth is

    A) 4.5 billion years                

    B)        4.6 billion years

    C)        4.7 billion years                 

    D)        4.8 billion years

    Correct Answer: B

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