MCQOPTIONS
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| 1. |
Snow line is : |
| A. | the altitude below which no snowfall occurs |
| B. | the altitude only above which the snowfall occurs and this snow melts during summer |
| C. | the altitude above which snow never melts |
| D. | the altitude above which the snow melts regularly to give rise to perennial rivers |
| Answer» D. the altitude above which the snow melts regularly to give rise to perennial rivers | |