Deck : Safety - 706/2841
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| « Previous Question |
| Ambient air, which you normally breathe, contains what percent of oxygen? |
| A) 6% |
| B) 10% |
| C) 15% |
| D) 21% |
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| There are no comments for this question. |
| Deck : Safety - 706/2841
|
|---|
| « Previous Question |
| Ambient air, which you normally breathe, contains what percent of oxygen? |
| A) 6% |
| B) 10% |
| C) 15% |
| D) 21% |
| Comments |
|---|
| There are no comments for this question. |