ACT English Practice Question #1373 (Foundational (28)) | Test Citadel
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ACT English Difficulty: Foundational (28)

Digital ACT English Practice Question #1373

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: The neuroscientist analyzed the EEG frequency bands and she discovered unusual theta wave synchronization.
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If there is a subject after 'and' ('and SHE discovered'), put a comma BEFORE 'and'.

Masterclass Solution & Distractor Trap Analysis

When 'and' connects two complete independent clauses ('The neuroscientist analyzed...' and 'she discovered...'), a comma must precede the coordinating conjunction....

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

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