Exam (elaborations)
SDI Chapter 3 Exam Questions & Answers.
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SDI Chapter 3 Exam Questions & Answers. What is the main purpose of a snorkel? - CORRECT ANSWER It's useful on long surface swims because it allows you to conserve air from your scuba cylinder. How do you know if a mask fits correctly? - CORRECT ANSWER You press it against your face and inh...
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