http://swissbaync5d7ykaz7dh7v4qjrb4gmen5aj3bogxrcgbb43ij34bjuyd.onion/pdf/Books/Survival/Medicine/quiz.htm
Compressed air in a scuba tank filled to capacity, compared to
ordinary arie, has: a) the same composition b) a greater percentage of oxygen c) a greater percentage of nitrogen d) a greater percentage of both oxygen and nitrogen e) varying composition of oxygen and nitrogen, depending on
the tank pressure 3. Compared to seal level ai pressure, aire pressure ina scuba tank with
3000 psi is approximately how many times higher? a) 10 b) 50 c) 100 d) 200 e) 400 4.