Answer:
A. Concentric rings of different agricultural activities surrounding a city in the midwestern United States.
Explanation:
It represents the price variety that a house-hold (or firm) would be responsible to spend at numerous locations in order to accomplish a given level of compensation (monopoly/ profits). The enterprise that has the most high-priced bid rent is probably the movement that will occupy this neighborhood.
 
        
             
        
        
        
The best pyramid for this is the biomass pyramid. That is because they show how much ecological material can be found at each trophic level, which then can be used to model how the matter flows through the ecosystem that is being analyzed.  
        
             
        
        
        
Do you mean what caused it? or what the after affects where?
        
                    
             
        
        
        
World maps do have changed during the centuries because we grew in knowledge and technology, but the maps have also been shaped by differences in culture, religion, experience, and geography and also because of different natural disaster