matias may live farther away so its  0.7 kilometers.
jack may live closer to the bookstore so it may only be 0.5 kilometers.
 
        
             
        
        
        
Weathering and erosion do not occur on the moon and this statement best explains why the moon has more craters than earth. The correct option among all the options that are given in the question is the second option or option "2". This is the reason the craters never fill up in the moon. I hope the answer comes to your help.
        
                    
             
        
        
        
The exosphere, being the outmost layer of the atmosphere, gradually merges with the vaccum of space.