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1. |
In how much time does the earth make one revolution on its axis? |
A. | 23 hours, 59 minutes and a few seconds |
B. | 22 hours, 16 minutes and a few seconds |
C. | 24 hours, 36 minutes and a few seconds |
D. | 23 hours, 56 minutes and a few seconds |
Answer» E. | |