Digital SAT Reading and Writing Practice Question #1182
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Consider whether the information provided by the clause 'often form from the remnants of massive stars' is essential for identifying 'These cosmic behemoths' or merely provides additional, descriptive detail.
Recall the specific punctuation rules for clauses that add non-essential information versus those that are critical for defining the noun they modify, paying close attention to the choice between 'which' and 'that'.
⚡ **Hack the Test speed shortcut:** When encountering a relative clause ('which' or 'that') and punctuation is a factor, perform the 'removability test.' Mentally remove the clause from the sentence. If the sentence still makes complete sense and refers to the *same specific* noun without the clause, then it is a **non-restrictive clause**. Non-restrictive clauses *always* use 'which' (for things/animals) and *always* require commas to set them off (a comma before 'which' and a comma at the end of the clause). If the clause is essential for the meaning, it's restrictive, uses 'that' (for things/animals), and has no commas. Applying this, removing 'which often form from the remnants of massive stars' leaves 'These cosmic behemoths exert an unparalleled gravitational pull,' which is perfectly clear. This immediately tells you it's non-restrictive, requiring 'which' and surrounding commas, making Option C the fastest correct choice.
This question tests the correct use of relative pronouns ('which' vs. 'that') and punctuation (commas) for restrictive and non-restrictive clauses. 1. **Identify the clause:** The phrase 'which often form from the remnants of massive stars'...
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