New 👉 Ask your RBI Grade B 2025 Preparation Queries Here!!

    Question

    Living organisms have been on Earth for how much percent

    of Earth's history?
    A 80% Correct Answer Incorrect Answer
    B 20% Correct Answer Incorrect Answer
    C 60% Correct Answer Incorrect Answer
    D 40% Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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