Free SAT Practice Question

Question 1 of 1
ID: SAT-RW-SEC-007
Section: SAT Reading & Writing (RW) – Standard English Conventions
Topic: Form, Structure, and Sense
Difficulty level: Medium

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In a multi-month oceanographic survey, engineers deployed autonomous underwater gliders to map temperature gradients; unlike earlier models that needed surface input, the new units could recalibrate ______ when encountering unexpected currents, maintaining data continuity.

Which choice completes the text so that it conforms to the conventions of Standard English?

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