MCQOPTIONS
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MCQOPTIONS
| 1. |
What is a passive solar still? |
| A. | A solar still that uses photovoltaics to start |
| B. | A solar still that relies only on sun and wind |
| C. | A solar still that solely relies on sun to distill water |
| D. | A solar still that uses additional heat sources apart from sun |
| Answer» D. A solar still that uses additional heat sources apart from sun | |