MCQOPTIONS
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MCQOPTIONS
| 1. |
*$_The magnetic field of earth, Magnetosphere expands to about? |
| A. | 9600 km above the earth's surface |
| B. | 8000 km above the earth's surface |
| C. | 64,000 km above the earth's surface |
| D. | None of the above |
| Answer» D. None of the above | |