MCQOPTIONS
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MCQOPTIONS
| 1. |
What do asthma patients use for respiration? |
| A. | O<sub>2</sub> and H<sub>2</sub> |
| B. | O<sub>2</sub> and He |
| C. | O<sub>2</sub> and Ar |
| D. | O<sub>2</sub> and Ne |
| Answer» C. O<sub>2</sub> and Ar | |