MCQOPTIONS
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| 1. |
What percentage of the total area of lithosphere has the expansion of mountains?_x005F_x000D_ |
| A. | around 26-27% |
| B. | around 30-31% |
| C. | around 33-34% |
| D. | around 41-42% |
| Answer» B. around 30-31% | |