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                              Q:
                           
                           
                                                      | A) Scrublands, liable to spread of weed growth | B) Hilly and Slopy or mountain areas | 
| C) Low flat plains, close to stream courses, liable to flooding | D) Desert margins, liable to strong wind action | 
                              Answer:   B) Hilly and Slopy or mountain areas
                              
                                                            
                              
Explanation:
                               
                           
                           Explanation:
Contour bunding is a proven sustainable land management practice for mountainous areas, marginal, sloping, and hilly land where the soil productivity is very low.
It is widely adopted by the ethnic minorities of Nepal who practice the shifting cultivation system of farming.
 
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