The planets are kept is motion in their respective orbits by the:
| A. | Rotation of the sun on its axis |
| B. | Gravitation and centrifugal forces |
| C. | Great size and spherical shape |
| D. | Rotation and the density of the planets |
Answer : B Explanation : |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
