Functional and economically most important mineral in nutrition of layers
is calcium, primary because of egg production, i.e. forming of the egg shell.
        
             
        
        
        
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.   
 
        
                    
             
        
        
        
Answer:
Cells organized into tissues
Explanation:
cells in complex multicellular organisms like people are organized into tissues, groups of similar cells that work together on a specific task
 
        
                    
             
        
        
        
-Shower with a shorter amount of time
-Fix leaks at home