MCQOPTIONS
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| 1. |
Which of the following will rise the highest in the atmosphere? |
| A. | Air at \[{{10}^{\text{o}}}C\] |
| B. | Air at \[{{40}^{\text{o}}}C\] |
| C. | Air at \[{{20}^{\text{o}}}C\] |
| D. | Air at \[-{{5}^{\text{o}}}C\] |
| Answer» C. Air at \[{{20}^{\text{o}}}C\] | |