ACT English Practice Question #1903 (Hard (530)) | Test Citadel
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ACT English Difficulty: Hard (530)

Digital ACT English Practice Question #1903

Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.

Choose the best option for the underlined portion: Mount Rainier which is an active stratovolcano in Washington state is monitored continuously by seismologists.
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Clauses starting with "which" referring to proper nouns require commas.

Masterclass Solution & Distractor Trap Analysis

"Mount Rainier" is a proper noun already uniquely identified; the "which" clause is nonessential and must be enclosed in commas....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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