Thesunspots cause
| A. | aurora borealis and aurora laustralis |
| B. | magnetic storms on the surface of the sun |
| C. | polar auroras |
| D. | all of these |
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. |
