MCQOPTIONS
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| 1. |
Much of Tibet lies at altitudes over 18,000 feet where the pressure is about 500 mb. At such altitudes, the Tibetans are above roughly: |
| A. | 0% of the air molecules in the atmosphere |
| B. | 5% of the air molecules in the atmosphere |
| C. | 0% of the air molecules in the atmosphere |
| D. | 5% of the air molecules in the atmosphere |
| Answer» D. 5% of the air molecules in the atmosphere | |