Who has written the famous book 'Mankind an Mother Earth?
| A. | Bertrand Russell |
| B. | John Ruskin |
| C. | Leo Tolstoy |
| D. | Arnold Toynbee |
Answer : D 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. |
