

MCQOPTIONS
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1. |
During_the_last_620_billion_years,_the_earth‚Äö√Ñ√∂‚à ö√ë‚à ö¬•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 | |