MCQOPTIONS
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| 1. |
Due to atmospheric refraction, sunrise is advanced and sunset is delayed by about_x005F_x000D_ Â _x005F_x000D_ |
| A. | 1 minute |
| B. | 2 minute |
| C. | 4 minute |
| D. | 3 minute |
| Answer» C. 4 minute | |