Under High Pressure and Intense Heat, Graphite, the Most Stable Form of Pure Carbon GMAT Sentence Correction.

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Question: Under high pressure and intense heat, graphite, the most stable form of pure carbon, changes into the substance commonly referred to as diamond and remaining this way whether or not the heat and pressure are removed.

(A) remaining this way whether or not
(B) remaining like that even as
(C) remaining as such whether or not
(D) remains in this way although
(E) remains thus even when

“Under high pressure and intense heat, graphite, the most stable form of pure carbon.”- is a GMAT sentence correction question. This particular GMAT sentence correction topic has been taken from the book ‘The Official Guide of GMAT Verbal Review, 2nd Edition, 2009’. This question checksMeaning, Verb, Awkwardness, and Tenses. GMAT Sentence Correction questions comprise 11-16 questions to be completed within 65 minutes. Each Sentence Correction question contains a sentence with an underlined portion that includes 0-2 errors.

Answer: E
Explanation
:
The following concepts are tested here:

  1. Meaning
  2. Tenses
  3. Verb forms
  4. Awkwardness

Option A: Incorrect

This option is incorrect. It wrongly uses the present participle to refer to an information that is of permanent nature. Always remember this kind of information is conveyed through simple present tense. Also, this option awkwardly uses phrases "this way" and "whether or not", which leads to redundancy. Option A is incorrect.

Option B: Incorrect

This option is incorrect. It changes the meaning of the sentence by using the phrase "like that even as". This phrase wrongly implies that graphite that has turned into diamond remains similar to diamonds, even during the process of heat and pressure being removed, which is illogical. Option B is incorrect.

Option C: Incorrect

This option is incorrect. This option incorrectly uses the present participle to refer to information that is permanent in nature. Always remember that the information that is permanent in nature is best conveyed through the simple present tense. So, Option C is incorrect.

Option D: Incorrect

This option is incorrect. It twists the meaning of the sentence above by using the phrase "in this way". This phrase results in an incoherent meaning. The intended meaning of this statement is that under high pressure and intense heat, graphite changes into diamond, and it remains diamond even after the heat and pressure are removed. So, Option D is incorrect.

Option E: Correct

This option is correct. It correctly uses the phrase "remains thus even when", that conveys the intended meaning of the statement. Also, this option uses the simple present tense verb "remains" to refer to information that is permanent in nature. So, Option E is correct.

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