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1. |
According to the annual study on the state of the glaciers, published by the Cryospheric Commission, Swiss Academy of Sciences in 2019, Switzerland's glaciers have lost a ________ of their volume in the past 5 years alone. |
A. | 4th |
B. | 6th |
C. | 8th |
D. | 10th |
E. | 12th |
Answer» E. 12th | |