Answer:
okay so im guessing they want you to compare 2 different land resources. Say a water power station and a coal mine for example.
you could state the different effects the coal mine would have in comparison to the water station. 
the coal mine say has pollution produced as a result in producing the energy. Whereas water has a lot better environmental value, but might cost more to produce energy
there is a lot of information of the 2 on google :)
 
        
                    
             
        
        
        
Answer:
Homeostasis could be disrupted in the athlete 
 
        
             
        
        
        
Answer:
50% hope it helps :)...............
 
        
                    
             
        
        
        
Because of the fact that female mammals have chromosomes from both parents (from the father and from the mother) and all cells have the same inactivated X chromosome  female mammals are considered to be mosaic <span>of the maternal and paternal cells.</span>
        
             
        
        
        
The answer is c when the substances are evenly spread out.