Answer:
its c 
Explanation:
 communicating the result is significant to analyzing data
 
        
                    
             
        
        
        
1: B
2:D
Those are the answers!
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~Jarvis
 
        
             
        
        
        
After mining, to reclaim the land, the depression is filled with rocks then the top is filled with loosely graded soil. Introduction of early succession plants is important before big trees can grow. The early succession plants help in the breaking down of the rocks into soil hence making the topsoil deeper to support trees.