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Dive SSI - Specialty Course Enriched Air Nitrox Level 2 (40%) (SC-EAN) Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
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---17March 20262025/2026A+
- Dive SSI - Specialty Course Enriched 
Air Nitrox Level 2 (40%) (SC-EAN) 
Questions and Answers | Latest 
Version | 2025/2026 | Correct & Verified 
 
What is Enriched Air Nitrox in scuba diving? 
A breathing gas with a higher percentage of oxygen than normal air. 
 
What is the most common percentage of oxygen in recreational Nitrox mixes? 
32% oxygen. 
 
What does the term EAN stand for in diving? 
Enriched Air Nitrox. 
 
Why do divers use Enriched Air Nitrox instead of regular air? 
To reduce n...
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