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    Question

    In the question given below, a sentence is given, divided

    into parts. One of the parts may contain an error. Identify the part that contains the error, and mark it as the answer. Ignore errors of punctuation. In case the sentence is correct as it is, mark option (5), that is, 'No error'. A 2008 study estimating that for every 10 metre’s rise in the water table, the pressure inside the rocks increased by almost 1 atm.
    A A 2008 study estimating that for every 10 Correct Answer Incorrect Answer
    B metre’s rise in the water table, Correct Answer Incorrect Answer
    C the pressure inside the rocks Correct Answer Incorrect Answer
    D increased by almost 1 atm. Correct Answer Incorrect Answer
    E no error Correct Answer Incorrect Answer

    Solution

    "Estimating" is incorrect because the sentence refers to a completed study. The correct verb form should be "estimated" (past tense).

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