MCQOPTIONS
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| 1. |
_Of the solar energy coming into the Biosphere, what percentage of it is actually used in the photosynthesis?$? |
| A. | Less than 1 |
| B. | Between 1% and 15% |
| C. | Between 15% and 2% |
| D. | More than 2% |
| Answer» E. | |