It is Song Dynasty (宋), and the answer is (D).
 
        
                    
             
        
        
        
Answer: Battle of the somme
Explanation:
 
        
             
        
        
        
Dr. Newsome has to describe the operational definition of birth order and SHYNESS.
Before a scientist can carry out an experiment, he must identify all his variables and each of these variable must have an operational definition. Operational definition refers to the application of operations that will be used to define each variable.
        
             
        
        
        
Answer:
Ben most likely has acrophobia. 
Explanation:
Acrophobia is a word of greek origin. Derives from <em>Acros</em>, which means "summit", and <em>phobos</em>, which means fear.
Acrophobia is thus, the fear of heights. These can be a serious medical issue in certain situations, as for example, in the scenario described in the question in which acrophobia is affecting Ben so much that he quit his job.
 
        
             
        
        
        
Answer:
Common wealth, province, Borough, Suburb
Explanation: