

MCQOPTIONS
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1. |
THE_SLOW_DOWN_OF_EARTH‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_ROTATION_DUE_TO_THE_LOSS_OF_MECHANICAL_ENERGY_OF_EARTH_MOON_SYSTEM_IS_SINCE_________YEARS_FROM_EARTH‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_FORMATION.?$# |
A. | 1 billion |
B. | 2.5 billion |
C. | 3.5 billion |
D. | 4.5 billion |
Answer» E. | |