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1. |
When the sun lies at a mean distance from the earth, the heat flux from the sun to the outer edge of the atmosphere has been found to be$ |
A. | 2350 W/m<sup>2</sup> |
B. | 3350 W/m<sup>2</sup> |
C. | 4350 W/m<sup>2</sup> |
D. | 1350 W/m<sup>2</sup> |
Answer» E. | |