A) The medical information
Since 1913, the medical knowledge has vastly changed.  Medical terms that are today common-knowledge (DNA, chemotherapy, etc.) were not even in existence in 1913.
Hope this helps!!
 
        
                    
             
        
        
        
I believe this an example of complex sentence structure.
My reasoning is that most of these sentences are in fact compound complex sentences- 
Compound-complex sentences contain two independent clauses and at least one dependent clause.
An example of a complex sentence is this: “I burned dinner but not the cake.” 
 
        
                    
             
        
        
        
Hey
I believe the correct answer is B - John played many different types of sports: baseball, soccer, football, and tennis.
I hope this helps 
 
        
                    
             
        
        
        
The answer is also mangos are my favorite color 72
        
             
        
        
        
Answer:
an independent clause
Explanation:
An independent clause is a clause that can stand alone as a sentence (i.e., it expresses a complete thought).