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The Use of the Apparatus Illustrated in This Picture Can

Question 20

Multiple Choice

The use of the apparatus illustrated in this picture can provide about the same amount of oxygen that a person normally breathing would intake. What is that percentage value? The use of the apparatus illustrated in this picture can provide about the same amount of oxygen that a person normally breathing would intake. What is that percentage value?   A)  7 percent B)  16 percent C)  21 percent D)  45 percent E)  90 percent


A) 7 percent
B) 16 percent
C) 21 percent
D) 45 percent
E) 90 percent

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