Punctuation and Style Mechanics Practice Questions | SAT Exam Reading and Writing

Punctuation and Style Mechanics

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The sentence below contains a punctuation problem involving an interrupting phrase and a list.

Researchers in the coastal lab, after months of calibration and field testing recorded salinity temperature and dissolved oxygen levels every hour.

Which option best revises the sentence to be grammatically correct and consistent with formal SAT style?

Select one option.

Researchers in the coastal lab after months of calibration and field testing, recorded salinity, temperature, and dissolved oxygen levels every hour.
Researchers in the coastal lab, after months of calibration and field testing, recorded salinity temperature, and dissolved oxygen levels every hour.
Researchers in the coastal lab, after months of calibration and field testing, recorded salinity, temperature, and dissolved oxygen levels every hour.
Researchers, in the coastal lab, after months of calibration and field testing, recorded salinity, temperature and dissolved oxygen levels, every hour.
Researchers in the coastal lab; after months of calibration and field testing; recorded salinity, temperature, and dissolved oxygen levels every hour.

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