The planets are kept in mo'tion in their respective orbits by
| A. | Their great size and spherical shape |
| B. | The rotation and density |
| C. | Gravitation and centrifugal force |
| D. | Rotation of the sun on its axis |
Answer : C 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. |
