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Explore TOEFL iBT DrillsAceThePrepTrap ForensicsTOEFL iBTHub →
TOEFL iBTReadingInsert Text
Level 3 Trap Drill
Can you avoid the examiner's trap?Select an option to evaluate
Look at the four squares [■] that indicate where the following sentence could be added to the passage:
'Such extreme pressure differences explain why surface divers must decompress slowly.'
Where would the sentence best fit?
'[■ A] For every ten meters of ocean depth, hydrostatic pressure increases by approximately one atmosphere. [■ B] At a depth of 30 meters, a diver's lungs and bloodstream experience four times the pressure felt at sea level. [■ C] Under this elevated pressure, inert nitrogen gas dissolves into blood plasma and body tissues in accordance with Henry's Law. [■ D] Ascending too rapidly causes this dissolved nitrogen to precipitate as bubbles in joint tissues, causing decompression sickness.'
Full Curriculum Drill

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