MCQOPTIONS
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| 1. |
A rift valley is formed mainly due to: [NDA 2003] |
| A. | forces of tension in the earth's crust |
| B. | the subsidence of the floor of a river valley |
| C. | the valley formed after the formation of fold mountains |
| D. | the deepening of a valley by ice action |
| Answer» C. the valley formed after the formation of fold mountains | |