MCQOPTIONS
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| 1. |
During_the_last_620_billion_years,_the_earth’s_period_of_rotation_is__________than_that_of_the_rotation_of_earth_since_its_formation.$# |
| A. | Faster |
| B. | Slower |
| C. | Very faster |
| D. | No change |
| Answer» C. Very faster | |