Answer:
Option (A).
Explanation:
Sociology may be defined as the subject that focus on the study of development and social interaction in society. Sociology is also known as the general science of the society.
Amy and Katherine are the member of same team and Amy shows fast development than Katherine. They both are competitor of each other. This is human behavior to jealous with the person that perform better than them. Here, the development of Amy makes jealous to Katherine and she starts disliking Amy.
Thus, the correct answer is option (A).
 
        
             
        
        
        
B) Rust, because it has tightly arranged hyphae
        
                    
             
        
        
        
Answer:
Radiometric dating for the analysis of isotopes in the fossil.
Explanation:
Radiometric dating can be used to determine the precise age of a fossil by measuring isotoped decay within tge fossil or the surrounding rock in contact with it. 
 
        
                    
             
        
        
        
Where’s the graph? You need to have the picture uploaded unless I’m just missing it.
 
        
             
        
        
        
C i think . Hope this helps